7777999977777777999977777777777777779999999999999999999999999999====7777777777777777999999999999777799997777777799997777777777777777999977777777999977777777777777779999999999999999999999999999====7777777777777777999999999999777799997777777799997777777777777777999977777777999977777777777777779999999999999999999999999999====7777777777777777999999999999777799997777777799997777777777777777999977777777999977777777777777779999999999999999999999999999====777777777777777799999999999977779999777777779999777777777777999999997777777777779999777777779999999977777777====99999999========9999777777779999========999999999999777777777777999977777777999999997777777777779999777777779999999977777777====99999999========9999777777779999========999999999999777777777777999977777777999999997777777777779999777777779999999977777777====99999999========9999777777779999========999999999999777777777777999977777777999999997777777777779999777777779999999977777777====99999999========9999777777779999========9999999999997777777777779999777777777777999999999999777777777777777777779999777777779999====999999999999====999999999999999999997777777799999999999977777777777777777777999999999999777777777777777777779999777777779999====999999999999====999999999999999999997777777799999999999977777777777777777777999999999999777777777777777777779999777777779999====999999999999====999999999999999999997777777799999999999977777777777777777777999999999999777777777777777777779999777777779999====999999999999====99999999999999999999777777779999999999997777777777777777777777779999777777777777999999997777777799997777777799999999777777777777999999997777====9999999977777777999977777777777799999999777777779999777777777777999999997777777799997777777799999999777777777777999999997777====9999999977777777999977777777777799999999777777779999777777777777999999997777777799997777777799999999777777777777999999997777====9999999977777777999977777777777799999999777777779999777777777777999999997777777799997777777799999999777777777777999999997777====999999997777777799997777777777779999999999999999777777777777999977779999777799997777777777779999999977779999777799997777====9999777777779999999977777777777799997777999999999999777777777777999977779999777799997777777777779999999977779999777799997777====9999777777779999999977777777777799997777999999999999777777777777999977779999777799997777777777779999999977779999777799997777====9999777777779999999977777777777799997777999999999999777777777777999977779999777799997777777777779999999977779999777799997777====999977777777999999997777777777779999777799997777777799997777999977779999777799999999777777779999999977779999777777777777777799997777777777777777777799997777999977779999777777777777999977779999777799997777999999997777777799999999777799997777777777777777999977777777777777777777999977779999777799997777777777779999777799997777999977779999999977777777999999997777999977777777777777779999777777777777777777779999777799997777999977777777777799997777999977779999777799999999777777779999999977779999777777777777777799997777777777777777777799997777999977779999777777777777999977777777777799999999777799999999999999999999777777779999999977777777777777777777777777777777999977777777777799999999777777779999777777777777999999997777999999999999999999997777777799999999777777777777777777777777777777779999777777777777999999997777777799997777777777779999999977779999999999999999999977777777999999997777777777777777777777777777777799997777777777779999999977777777999977777777777799999999777799999999999999999999777777779999999977777777777777777777777777777777999977777777777799999999777799997777999977779999777799997777777777779999====9999999999999999999999999999777799999999777777779999777799997777999977779999777799997777999977779999777799997777777777779999====9999999999999999999999999999777799999999777777779999777799997777999977779999777799997777999977779999777799997777777777779999====9999999999999999999999999999777799999999777777779999777799997777999977779999777799997777999977779999777799997777777777779999====999999999999999999999999999977779999999977777777999977779999777799997777999999997777777799999999====9999777777777777777799999999====999977779999999999997777777799999999999999997777777799999999====9999777799997777777799999999====9999777777777777777799999999====999977779999999999997777777799999999999999997777777799999999====9999777799997777777799999999====9999777777777777777799999999====999977779999999999997777777799999999999999997777777799999999====9999777799997777777799999999====9999777777777777777799999999====999977779999999999997777777799999999999999997777777799999999====9999777777777777999999999999====77777777777799997777777799999999999977777777777777779999777777779999777777777777999999999999====7777777777777777999999999999====77777777777799997777777799999999999977777777777777779999777777779999777777777777999999999999====7777777777777777999999999999====77777777777799997777777799999999999977777777777777779999777777779999777777777777999999999999====7777777777777777999999999999====77777777777799997777777799999999999977777777777777779999777777779999777777777777999999999999====777777779999999977779999====99999999777777777777999977777777999977777777777777777777999977777777777799999999999977779999====9999999977779999999977779999====99999999777777777777999977777777999977777777777777777777999977777777777799999999999977779999====9999999977779999999977779999====99999999777777777777999977777777999977777777777777777777999977777777777799999999999977779999====9999999977779999999977779999====99999999777777777777999977777777999977777777777777777777999977777777777799999999999977779999====99999999777799999999777799999999999977777777999977777777777799997777777777777777999999997777777799999999====9999999977779999999999997777777799999999777799999999999977777777999977777777777799997777777777777777999999997777777799999999====9999999977779999999999997777777799999999777799999999999977777777999977777777777799997777777777777777999999997777777799999999====9999999977779999999999997777777799999999777799999999999977777777999977777777777799997777777777777777999999997777777799999999====99999999777799999999999977777777777777779999777799997777777799999999999977779999999977777777777799997777777777777777777799999999777777779999777799997777777799997777777799997777999977777777999999999999777799999999777777777777999977777777777777777777999999997777777799997777999977777777999977777777999977779999777777779999999999997777999999997777777777779999777777777777777777779999999977777777999977779999777777779999777777779999777799997777777799999999999977779999999977777777777799997777777777777777777799999999777777779999777799997777777799997777777777777777777799999999777777779999999977779999999977777777999999997777999977777777777799997777777777777777777799999999777777777777777777777777999999997777777799999999777799999999777777779999999977779999777777777777999977777777777777777777999999997777777777777777777777779999999977777777999999997777999999997777777799999999777799997777777777779999777777777777777777779999999977777777777777777777777799999999777777779999999977779999999977777777999999997777999977777777777799997777777777777777777799999999777777779999777777779999999999997777777777777777777777779999777799997777999999997777777777777777777777779999777777779999999999997777777799997777777799999999999977777777777777777777777799997777999977779999999977777777777777777777777799997777777799999999999977777777999977777777999999999999777777777777777777777777999977779999777799999999777777777777777777777777999977777777999999999999777777779999777777779999999999997777777777777777777777779999777799997777999999997777777777777777777777779999777777779999999999997777999999997777999977777777999977777777777777777777999999999999999999999999999999997777999977779999999999997777999977777777999977779999999977779999777777779999777777777777777777779999999999999999999999999999999977779999777799999999999977779999777777779999777799999999777799997777777799997777777777777777777799999999999999999999999999999999777799997777999999999999777799997777777799997777999999997777999977777777999977777777777777777777999999999999999999999999999999997777999977779999999999997777999977777777999977779999777777777777999977777777999977777777999999999999777799999999999999997777777799999999====9999999977777777777799997777777799999999777777777777999977777777999977777777999999999999777799999999999999997777777799999999====9999999977777777777799997777777799999999777777777777999977777777999977777777999999999999777799999999999999997777777799999999====9999999977777777777799997777777799999999777777777777999977777777999977777777999999999999777799999999999999997777777799999999====999999997777777777779999777777779999999999999999777777777777777799999999999977777777777777777777999999999999999977779999====9999999999999999999977777777777777777777999999999999777777777777777799999999999977777777777777777777999999999999999977779999====9999999999999999999977777777777777777777999999999999777777777777777799999999999977777777777777777777999999999999999977779999====9999999999999999999977777777777777777777999999999999777777777777777799999999999977777777777777777777999999999999999977779999====999999999999999999997777777777777777777799997777777799999999777777779999777777777777999977777777999999997777777799999999777799999999999999997777777799999999777777777777999977777777999999997777777799997777777777779999777777779999999977777777999999997777999999999999999977777777999999997777777777779999777777779999999977777777999977777777777799997777777799999999777777779999999977779999999999999999777777779999999977777777777799997777777799999999777777779999777777777777999977777777999999997777777799999999777799999999999999997777777799999999777777777777777799997777777777779999777777777777777799999999999999999999999999997777777777779999999977777777777799997777777777779999777777777777999977777777777799997777777777777777999999999999999999999999999977777777777799999999777777777777999977777777777799997777777777779999777777777777999977777777777777779999999999999999999999999999777777777777999999997777777777779999777777777777999977777777777799997777777777779999777777777777777799999999999999999999999999997777777777779999999977777777777799997777777777779999777777777777777799997777777799999999777777779999999999999999777799999999999999997777777777777777777777777777777799997777777799999999777777777777999977777777999999997777777799999999999999997777999999999999999977777777777777777777777777777777999977777777999999997777777777779999777777779999999977777777999999999999999977779999999999999999777777777777777777777777777777779999777777779999999977777777777799997777777799999999777777779999999999999999777799999999999999997777777777777777777777777777777799997777777799999999777777777777777799999999====99999999999999997777777799997777777799997777999977777777777777777777999977777777777799999999====9999999977777777777799999999====99999999999999997777777799997777777799997777999977777777777777777777999977777777777799999999====9999999977777777777799999999====99999999999999997777777799997777777799997777999977777777777777777777999977777777777799999999====9999999977777777777799999999====99999999999999997777777799997777777799997777999977777777777777777777999977777777777799999999====999999999999777777779999====99999999777777779999777799999999999977777777777777777777999977777777999999999999777777779999====9999999977779999777777779999====99999999777777779999777799999999999977777777777777777777999977777777999999999999777777779999====9999999977779999777777779999====99999999777777779999777799999999999977777777777777777777999977777777999999999999777777779999====9999999977779999777777779999====99999999777777779999777799999999999977777777777777777777999977777777999999999999777777779999====9999999977779999999999999999999977777777777777777777999999997777999999999999777799999999777799999999999999999999999999999999999977777777777799999999999999999999777777777777777777779999999977779999999999997777999999997777999999999999999999999999999999999999777777777777999999999999999999997777777777777777777799999999777799999999999977779999999977779999999999999999999999999999999999997777777777779999999999999999999977777777777777777777999999997777999999999999777799999999777799999999999999999999999999999999999977777777777777779999777777779999777777777777777799999999777777779999777799999999777777777777777799999999999977779999777777779999777777777777777799997777777799997777777777777777999999997777777799997777999999997777777777777777999999999999777799997777777799997777777777777777999977777777999977777777777777779999999977777777999977779999999977777777777777779999999999997777999977777777999977777777777777779999777777779999777777777777777799999999777777779999777799999999777777777777777799999999999977779999777777779999777777777777999999997777777777779999777777779999999977777777777777779999999999999999777777779999========999999999999777777777777999977777777999999997777777777779999777777779999999977777777777777779999999999999999777777779999========999999999999777777777777999977777777999999997777777777779999777777779999999977777777777777779999999999999999777777779999========999999999999777777777777999977777777999999997777777777779999777777779999999977777777777777779999999999999999777777779999========99999999999977777777777799997777777777779999999999997777777777777777777799997777777799999999999999999999====99999999999999999999====7777999999999999777777777777777777779999999999997777777777777777777799997777777799999999999999999999====99999999999999999999====7777999999999999777777777777777777779999999999997777777777777777777799997777777799999999999999999999====99999999999999999999====7777999999999999777777777777777777779999999999997777777777777777777799997777777799999999999999999999====99999999999999999999====7777999999999999777777777777777777777777999977777777777799999999777777779999777777779999999977777777777799999999========999999997777777799997777777777779999999977777777999977777777777799999999777777779999777777779999999977777777777799999999========999999997777777799997777777777779999999977777777999977777777777799999999777777779999777777779999999977777777777799999999========999999997777777799997777777777779999999977777777999977777777777799999999777777779999777777779999999977777777777799999999========999999997777777799997777777777779999999999999999777777777777999977779999777799997777777777779999999977779999777799997777====9999777777779999999977777777777799997777999999999999777777777777999977779999777799997777777777779999999977779999777799997777====9999777777779999999977777777777799997777999999999999777777777777999977779999777799997777777777779999999977779999777799997777====9999777777779999999977777777777799997777999999999999777777777777999977779999777799997777777777779999999977779999777799997777====999977777777999999997777777777779999777799997777777799997777999977779999777799999999777777779999999977779999777777777777777799997777777777777777777799997777999977779999777777777777999977779999777799997777999999997777777799999999777799997777777777777777999977777777777777777777999977779999777799997777777777779999777799997777999977779999999977777777999999997777999977777777777777779999777777777777777777779999777799997777999977777777777799997777999977779999777799999999777777779999999977779999777777777777777799997777777777777777777799997777999977779999777777777777999977777777777799999999777799999999999999999999777777779999999977777777777777777777777777777777999977777777777799999999777777779999777777777777999999997777999999999999999999997777777799999999777777777777777777777777777777779999777777777777999999997777777799997777777777779999999977779999999999999999999977777777999999997777777777777777777777777777777799997777777777779999999977777777999977777777777799999999777799999999999999999999777777779999999977777777777777777777777777777777999977777777777799999999777799997777999977779999777799997777777777779999====9999999999999999999999999999777799999999777777779999777799997777999977779999777799997777999977779999777799997777777777779999====9999999999999999999999999999777799999999777777779999777799997777999977779999777799997777999977779999777799997777777777779999====9999999999999999999999999999777799999999777777779999777799997777999977779999777799997777999977779999777799997777777777779999====9999999999999999999999999999777799999999777777779999777799997777999977779999