⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢿⡷⡀⣀⣀⣀⣀⣀⣀⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ob1wanway
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣀⠤⠺⣟⡽⠀⠀⠀⠀⠀⠀⠀⠈⠑⠂⢤⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⡴⠊⠁⠀⠀⠙⠁⠀⠀⠀⠀⠀⠀⡄⠀⠀⠀⠀⠈⠳⢄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⢠⠎⠀⠀⠆⠀⢰⡃⠀⠐⡄⠀⢲⠀⠃⢻⠀⠀⠀⡄⠀⠀⠈⠱⡄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠸⣶⣄⣺⢇⡄⠀⡇⠀⢰⢺⠱⣄⠀⠘⢆⠈⡆⠀⠸⠀⠀⠀⡇⠀⠀⠀⠰⠘⡄⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠙⢿⡏⢸⠀⠀⡇⠀⢸⣾⢀⣨⣷⡄⠈⢣⣇⠀⠀⡆⠀⠀⡇⠀⠀⠀⠀⠀⠸⡄⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⢸⠃⢸⡄⢸⡇⡀⢸⢿⡏⠀⣀⣹⣦⡀⢿⠀⠀⡇⠀⠀⡇⠀⠀⠀⠀⠀⠀⢣⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⣼⡄⠈⡇⠈⣿⣿⣼⣞⣷⠾⣿⣿⡿⠉⢻⠀⠀⡇⠀⠀⡿⠟⢷⡄⠀⠀⠀⡘⡄⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⡇⣇⢸⢿⡀⠇⠻⠉⠸⠏⣠⠟⠉⠀⠀⠀⡄⠀⠿⠀⠀⣿⡀⠀⡇⠀⠀⠀⠀⡇⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⣿⣿⣾⣷⣧⡄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡇⠀⠀⠀⢀⡿⢃⣼⠁⠀⠀⠃⠀⢸⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⢻⡻⢯⣻⠟⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢷⠀⠀⠀⢸⡧⡎⢸⠃⠀⠀⢠⢀⣸⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⢸⡇⢸⠉⠧⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⠀⠀⠀⢸⡇⡇⢸⠀⠀⠀⢸⡈⣿⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⢸⠃⢸⡀⠀⠀⠀⢀⡠⠴⠚⠀⠀⠀⠀⠀⢸⠀⠀⠀⢸⡇⢸⢸⡀⠀⠀⠈⡇⢻⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠘⡆⠀⢇⠀⠀⠰⠋⠀⠀⠀⠀⠀⠀⠀⠀⢨⠀⠀⠀⢸⠃⠈⡇⡇⠀⠀⠀⢱⢸⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⣿⠀⠈⢢⡀⠀⠀⠀⠀⠀⠀⠀⠀⢀⡀⠍⠀⠀⠀⣿⠀⠀⢡⠱⠀⠀⠀⠸⡜⡇⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⣿⠀⠀⠀⣽⢆⠀⠀⠀⠀⠀⣠⠒⠁⠉⢀⡆⠀⠀⣿⡄⠀⠸⡄⠀⠀⠀⠀⢇⠇⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⢸⡄⠀⠀⣿⠀⠓⠤⠔⠒⠻⡇⢀⡴⠚⠉⡇⠀⠀⡧⢇⠀⠀⢱⡀⠀⠀⠀⠘⣾⡀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⢸⡆⠀⢰⣿⡄⡆⠀⠀⠀⠀⢷⠋⠀⠀⠀⡇⠀⢀⠁⢈⠷⢶⣤⡷⣤⣤⢤⡤⠞⠓⠒⠦⢄⡀⠀
⠀⠀⠀⠀⠀⠀⢸⠀⠀⢸⡇⡇⢁⠀⠀⠀⢀⢻⠀⠀⠀⠀⡇⠀⢸⠀⠣⢤⣀⣞⡏⠉⡱⠋⠀⠀⠀⠀⠀⠀⠙⡆
⠀⠀⠀⠀⠀⠀⢸⠀⠀⡞⠀⢡⢸⡀⠀⣀⡼⠀⢳⠀⠀⠀⡇⠀⡏⠀⢀⣾⣿⣾⣟⡜⠀⠀⠀⠀⠀⠀⠀⠀⠀⢻
⠀⠀⠀⠀⠀⠀⢸⠀⢠⠇⠀⠈⢇⡷⣺⢿⠏⡞⠑⠚⠉⢀⠀⢠⠁⣠⣿⣿⣻⣟⡟⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢿
⠀⠀⠀⠀⠀⠀⣿⠀⡘⢀⣠⠞⣉⠵⣡⠏⠀⢧⠀⠀⠀⣸⠀⣾⣼⣉⣉⣍⡿⡝⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸
⠀⠀⠀⠀⢀⣴⡿⢠⠏⣉⣵⠞⠁⡰⡃⠀⠀⢘⡤⠴⢒⠇⢠⣿⡀⣉⣴⣿⣿⡁⠀⢰⠀⠀⠀⠀⠀⠀⠀⠀⠀⢹
⠀⠀⠀⢀⠎⢸⡇⣸⣾⣿⣿⣀⣴⢱⣇⡤⠚⠁⢀⠀⣼⠄⡿⠋⠉⠁⢸⡛⢿⠑⢤⡌⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸
⠀⠀⠀⡞⢀⣎⢧⣟⣿⡿⠋⠀⠀⠉⠁⠀⣠⣾⠟⣸⡟⢸⠁⠀⠀⠀⠸⡇⢸⡄⢸⠃⠀⢀⣠⠤⠤⠤⠔⠢⡀⣸
⠀⠀⣸⠀⡸⢸⡟⣶⡿⠁⠀⠀⠀⠀⠀⠀⠉⠀⢠⣿⠀⡞⠀⠀⠀⠀⡇⣿⠸⣿⣾⠀⠀⠀⠙⠒⠒⠲⣌⣠⢌⣻
⠀⠀⡏⠀⣇⠞⠁⠉⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⢿⢻⠀⡇⠀⠀⠀⠀⣷⡇⠀⢻⢹⡄⠀⠀⠀⠀⠀⠀⠈⠁⠀⣼
⠀⢰⢀⡜⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⢸⣞⡄⡇⠀⠀⠀⠀⡿⡇⠀⠸⡆⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⡟
⠀⡞⡞⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣤⣄⠀⢸⢸⠛⠙⠻⠀⠀⠀⠀⢣⡇⠀⠀⡇⢡⠀⠀⠀⠀⠀⡀⠀⠀⠀⡇
⠀⢳⠿⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠸⣿⡿⠀⠀⡞⡀⠀⠀⠀⠀⠀⠀⠘⡾⡄⠀⡇⢸⠀⠀⠀⠀⡼⠁⠀⠀⢠⠃
⢸⢸⠀⣾⣿⡆⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀?