10
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⠀⡤⢤⣀⣤⣀⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⢀⣠⢶⠞⢩⣧⡨⠿⠿⢿⡝⠯⠛⠶⣄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⢀⣶⠟⠍⠁⢒⠿⡠⠖⠉⠉⢙⣷⠀⠀⠀⠈⠩⣲⣄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⢤⡿⣥⡖⣲⣿⣿⣞⣁⣀⠴⢚⣿⠛⣷⡈⣆⠀⠱⡌⠉⢧⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⢰⡿⢛⣶⣿⣿⣿⠋⣹⣟⣁⣴⣾⠃⢀⡏⠇⠸⡀⠀⢱⠀⢈⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⣿⡇⡘⣾⣿⣿⡇⣸⡯⠽⠟⢋⣉⠑⡞⠀⡼⢠⢧⠀⠀⡇⠈⢿⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠐⡿⢰⢁⡟⠀⠉⣰⠙⡿⣷⣶⢦⡄⢰⠁⢰⠃⣸⡌⠀⢸⠃⢀⢾⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⣷⢸⢸⢧⡰⢼⣿⡀⠉⠀⠈⠀⠀⠀⢧⢇⣸⣳⠁⡰⢃⠀⣸⣿⡄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⢿⣿⡸⣼⡝⢦⠣⠁⠀⠀⠀⠀⠀⠀⠘⠙⠻⢥⠞⢁⠜⣰⣿⣿⡿⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠈⢿⢿⣼⣇⠘⣧⡀⠀⠀⠀⠀⠀⠄⠀⠀⠀⠀⣼⣧⣾⡷⠛⢿⠓⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠸⠺⣿⣿⣇⣿⠙⢦⡀⠀⠀⠀⠀⠀⠀⢀⣼⡿⠋⠀⠀⠀⠈⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⢀⡤⠶⠶⠿⢿⣿⡇⠀⠀⠈⠓⠤⣤⡤⠖⠊⠉⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⡴⠋⠀⠀⠀⠀⠀⠙⠓⠤⠄⣀⡀⠀⢸⣷⣦⡤⠤⠖⠒⠒⠢⢤⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⢸⠃⠀⠀⠀⠀⠀⢀⢆⡀⠀⠂⠒⠒⠒⠻⠦⣄⡀⠀⢀⠢⠤⠤⢄⡹⣦⣀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⡚⠀⠀⠀⠀⠀⠀⡸⠋⠀⠀⠀⠀⠀⢀⠀⠀⠀⠈⠳⡄⠀⠀⠀⠀⠀     ⠈⠉⠳⣤⡀⠀⠀⠀⠀⠀⠀⠀⠀
⢹⠀⠀⠀⠀⠀⢠⠇⠀⠀⠀⠀⠀⠀⠻⠇⠀⠀⠀⠀⠙⡄⠀⠀⠀⠀⠀⠀⠀  ⢬⣱    ⣄⠀⠀⠀⠀⠀⠀⠀
⠀⣇⠀⠀⠀⠀⢸⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡇⠀⠀⠀⠀⠀⠀⠀⠀    ⠀    ⣿⠀⠀⠀⠀⠀⠀⠀
⠀⠻⡄⠀⠀⠀⠀⢇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣠⣇⠀⠀⠀⠀⠀⠀⠀⠀    ⠀  ⡿⠀⠀⠀⠀⠀⠀⠀
⠀⠀⣷⠀⠀⠀⠀⠈⡦⣀⠀⠀⠀⠀⠀⠀⠀⣀⠠⠖⠋⠈⠳⣄⠀⠀⠀⠀⠀⠀⢠⡟⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠹⡄⠀⠀⠀⠀⢸⠈⠉⠒⠒⠒⠊⠉⠁⠀⠀⠀⠀⠀⠀⠈⠳⣆⡀⠀⢀⡴⠟⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⢥⠀⠀⠀⠀⢸⡆⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠐⡿⠛⠉⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⢸⡄⠀⠀⠀⢸⣧⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⠀⠀⣧⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠈⣷⠀⠀⠀⠀⡹⣿⡴⠋⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠘⠀⠀⠛⢧⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⣿⠄⠀⠀⠀⣿⠋⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠱⣄⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠭⠄⠀⠀⡰⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠻⡄⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠸⡆⠀⢰⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠓⢄⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⢻⣄⡎⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠢⡱⡄⠀⠀⠀
⠀⠀⠀⠀⠀⠈⡿⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣀⠀⠀⠁⠙⡄⠀⠀
⠀⠀⠀⠀⠀⢸⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⠃⠀⠀⠀⠀⠹⡄⠀
⠀⠀⠀⠀⢀⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠑⢦⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⠏⠀⠀⠀⠀⠀⠀⠹⠀
⠀⠀⠀⠀⢸⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠢⡀⠀⠀⠀⠀⠀⠀⠀⡞⠀⠀⠀⠀⠀⠀⠀⠀⢳
⠀⠀⠀⠀⢸⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠢⡀⠀⠀⠀⠀⢀⡇⠀⠀⠀⠀⠀⠀⠀⠀⢸
⠀⠀⠀⠀⢸⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠹⡄⠀⠀⠀⢸⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈
⠀⠀⠀⠀⠘⡆⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠘⡆⢀⣾⠏⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⢳⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢹⡏⠉⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠈⢧⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢳⡀⠀⠀⠀⠀⠀⠀⠀⠀  لں͞
0.27578711509705