⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣾⣿⣿⣿⣿⣿⣿⣿⣿⠿⢟⡿⣿⣝⣿⣷⡞⢷⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡇⠀⠀⢸⠇⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⣿⣿⣿⣿⣿⣿⣿⠿⢟⡟⠋⠀⠈⠁⠑⠘⢿⣿⣿⣧⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⠇⠀⢸⣸⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⣿⣿⣿⣿⣿⣿⠏⣁⣤⣤⣤⣄⠀⠀⠀⠀⠀⠈⣿⣿⣿⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⢸⠀⠀⢸⣿⠀⢸⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣿⣿⣿⣿⣿⣿⠏⠠⢷⣶⣶⣮⣝⣿⡖⠦⣄⡀⠀⣽⣿⣿⣧⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⣸⠀⠀⡿⣿⠀⡜⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣸⣿⣿⣿⣿⣿⠇⠀⠀⠈⠻⣿⣯⡿⣿⡇⣰⣿⣟⡛⣿⣿⣿⣷⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡆⣿⠀⠀⣿⡇⠀⡇⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣿⣿⣿⣯⣿⣿⠀⠀⠀⠀⢠⡀⢀⣾⡉⠁⠻⣿⣿⣿⣿⣿⣿⣿⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡇⡷⠀⢰⣿⡇⠀⠃⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣼⣿⣿⣿⣿⣿⣿⠀⠀⠰⠀⣤⠄⣿⣧⣇⠀⠀⠀⠀⣿⣿⣿⣿⣿⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣇⡇⠀⢸⣽⠃⢸⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣰⣿⣿⣿⣿⣿⣿⣿⣧⠀⠀⠁⢻⣷⢾⣿⣛⠋⠁⠀⣸⣿⣿⣿⣿⣿⣿⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⢸⡇⠀⣾⣿⠀⠸⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣰⣿⣿⣿⣿⣿⣿⣿⣿⣿⣷⣄⡀⠀⠹⣶⣾⡽⠋⣁⣾⣿⣿⣿⣿⣿⣿⣿⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⣸⡇⠀⣿⣿⠀⡇⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⡀⠀⡼⣿⣿⣿⣿⣿⣿⣿⣿⠇⠉⠿⣿⣷⣦⣀⠀⠀⣤⣾⣿⣿⣿⣿⣿⣿⢻⣿⣇⣙⠿⣿⣍⠉⠉⠉⠉⠙⠙⠛⠛⠛⠓⠒⠒⠛⢘⣴⣿⡇⠀⠇⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⣀⡤⠬⠾⡿⣿⣿⣿⢿⣿⣿⠿⠉⠄⠀⠀⠬⢽⡿⠟⢻⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣸⣎⣷⣝⣟⣂⣀⣀⣀⣀⣀⣀⣀⠀⠀⠀⠀⠈⠹⣿⣿⡇⠀⠀⠀⠀⠀⠀ ⠀⠀⢀⡴⠋⠁⠀⠀⠀⠀⠀⠐⠚⠒⠦⣿⣁⡀⠘⢶⠒⠋⠁⠀⠀⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣷⣝⣆⢀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠉⠉⠉⠉⠉⠉⠉⠙⠁⠀⠀⠀⠀⠀⠀ ⠀⢀⡾⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠁⠀⠀⠀⠀⠀⠈⠹⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣭⣿⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⡼⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠛⢿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣷⣿⣷⡤⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⢠⠃⠀⠀⠀⠀⠀⢀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⢹⣿⣿⣿⣿⢻⣿⣿⣿⣿⣿⢦⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⢸⠀⠀⠀⠀⢀⣴⡟⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠃⠙⠿⣿⣾⣿⣿⣿⣿⡏⠀⠙⠢⣀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⢸⠀⠀⠀⠀⢰⣿⣇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠙⢿⣽⣿⣿⠏⠀⠀⠀⠀⠈⠙⠲⠤⣤⣈⣠⠤⠤⣶⡶⢄⡀⠤⣀⡀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⣿⣿⣷⡤⠀⠀⠀⠀⣤⣶⡶⠦⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡎⣙⣻⣿⣿⠆⠀⠀⠀⠀⠀⠀⠀⣠⠯⠥⠴⠒⠒⠀⠹⣦⣌⠀⠂⠉⠓⡲⢤⣄⡀ ⠀⠀⠀⠀⠀⠀⣿⣿⣿⠇⠀⠀⠀⢸⣹⣿⠏⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢳⡻⢿⣿⡿⠟⠲⢤⣄⣠⣄⣠⣾⠏⠀⠀⠀⠀⠀⠀⠀⡜⣿⣶⣬⣷⡾⠛⣍⠈⢻ ⠀⠀⠀⠀⠀⣰⣿⣿⣿⡄⠀⠀⠀⠈⠻⠧⠴⠊⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠉⣱⠗⠒⠶⠶⠮⣽⣟⣿⠿⠀⠀⠀⠀⠀⠀⠀⠀⠹⡜⣿⣧⡝⡇⢄⠘⡆⠀ ⠀⠀⠀⠀⢀⣿⣿⣿⣿⣇⢤⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣀⡀⠀⠀⣰⣇⣀⣀⣠⣤⣴⣿⡟⣹⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠙⡜⣏⣷⡏⠈⠀⠙⠀ ⠀⠈⣷⠀⣸⣿⣿⣿⣿⣿⡌⠳⢤⣄⣀⣀⣀⣀⣀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠉⠉⣹⣿⣿⣿⣿⣿⣿⣿⡟⠀⠃⠀⠀⠀⠀⠀⠀⠀⢠⡇⠒⠀⠀⡜⣿⣧⠀⣦⠀⠀ ⢀⣿⣿⣿⣿⣿⣿⣿⣿⣿⣧⠀⠀⠀⠉⠉⠉⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣿⣿⣿⣿⣿⣿⣿⡟⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣿⠇⠀⠀⠀⢱⠸⣿⡇⢻⣧⡀ ⢸⠋⢀⣼⠟⠛⠛⢿⣿⣿⣿⣧⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠠⢹⣿⣿⣿⣿⣿⡟⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⣿⠀⠀⠐⡄⠀⠇⢻⣿⣄⢿⣇ ⣘⣆⣻⠇⢠⠀⠀⠀⢻⣿⣿⣿⣷⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢿⣿⣿⣿⡟⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣸⣿⡄⠀⠀⠀⠂⠀⠀⢿⣿⣿⢸ ⣿⣿⡟⠀⡀⣎⡀⠀⠀⠻⣿⣿⣿⡆⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⣿⣿⡟⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢻⣿⡄⠀⠀⠀⠀⠄⠀⠀⠹⣿⠀ ⣿⣿⢡⢀⡏⢸⠇⠀⡄⢠⢹⣿⣿⣿⡄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢹⣿⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⣿⣇⠀⠀⠀⠀⠐⠄⠀⠀⠉⢣ ⣿⣿⢹⢺⠀⣿⡅⢸⠃⢸⠸⣿⣿⣿⣿⣆⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣀⣀⠤⠀⠀⠀⠀⢸⡏⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⣿⣿⣦⡀⠀⠀⠀⠀⠀⠀⠀⠀ ⣿⣿⣾⣸⠀⣿⠀⣾⠀⠘⢰⣿⣿⣿⣿⣿⡆⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠐⠾⡿⠖⠀⠀⠀⠀⠀⢠⣾⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⣿⣿⣿⣿⣦⡀⠀⠀⠀⠀⠀⠀ ⣿⣿⣿⣿⣧⣿⡀⣿⣣⣸⣼⣿⣿⣿⣿⣿⣿⡄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣻⣿⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣿⣿⣿⣿⣿⣿⣷⡆⠀⠀⠀⠀⠀ ⣿⣿⣿⣿⣿⢿⣿⣿⡟⣇⢸⣿⣿⣿⣿⣿⣿⣿⣆⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣸⠋⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⣿⣿⣿⣿⣿⣿⣿⣷⣇⡀⠀⠀⠀ ⣿⣿⣿⣿⣿⠚⣏⡵⠃⢹⢸⣿⣿⣿⣿⣿⣿⡟⠛⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣿⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⣿⣿⣿⣿⣿⣿⠉⣿⣿⣿⣿⣆⠀⠀ ⣿⣿⣿⣿⣿⠀⠀⠀⠀⢸⠘⣿⣿⣿⣿⣿⣿⣿⣄⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡤⣿⡆⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣾⣿⣿⣿⣿⣿⣿⠀⠘⣿⣿⣿⠙⢷⡀ ⣿⣿⣿⣿⣿⠀⠀⠀⠀⢸⠀⣿⣿⣿⣿⠏⠀⠀⠀⠈⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣀⠀⢀⣿⡄⣿⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠐⣸⣿⣿⣿⣿⣿⣿⡟⠀⠀⠹⣿⣿⣳⣄⠳ ⣿⣿⣿⣿⣿⠀⠀⠀⠀⢸⡄⣿⣿⣿⣿⡄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠐⣶⣖⡅⣤⢀⢠⠭⠇⢸⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢰⣿⣿⣿⣿⣿⣿⣿⡇⠀⠀⠀⢸⣿⢿⣮⠆ ⣿⣿⣿⣿⣿⠀⠀⠀⠀⠈⡇⣿⣿⣿⣿⣿⣷⠒⠀⠀⠈⠉⠑⠒⠢⢤⣀⠀⠈⠙⠻⠿⠿⠽⠂⠁⠘⡆⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⣿⣿⣿⣿⣿⣿⣿⣿⠇⠀⠀⠀⣸⡧⡜⣿⣷ ⣿⣿⣿⣿⣿⠀⠀⠀⠀⠀⡇⣿⣿⣿⣿⡟⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠓⢤⡈⢧⡄⠀⣿⣆⠀⢱⠀⠀⠀⠀⠀⠀⠀⠀⣠⠏⠻⠉⠉⠛⠻⠿⣿⣿⠀⠀⠀⠀⣿⠃⠉⢾⣿ ⣿⣿⣿⣿⣿⡀⠀⢀⣀⣀⣧⣿⣿⣿⠟⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠃⢻⣷⣼⣽⣷⠃⠁⠀⠀⠀⠀⠀⢀⣴⡃⠀⠀⠀⠀⠀⠀⠀⠀⠉⠓⠂⢀⣠⣿⠀⠀⢰⣿ ⣿⣿⣿⣿⣿⣷⣿⣿⣿⣿⣿⣿⣿⠏⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢻⣻⣿⡾⠁⠀⠀⠀⣀⣤⣶⣿⣷⣒⡒⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠘⠧⣄⠀⣾⠃ ⢸⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡏⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢳⣿⣧⣤⠴⣶⣻⢿⣭⣟⠓⠦⣍⣙⠓⠦⠀⠀⠀⠀⠀⢀⣀⡠⠤⣖⡮⠟⡇⠈⠀ ⠀⢿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣾⡿⣿⣿⢿⣦⣝⠻⣌⡓⠦⠀⠀⠀⠀⢀⣠⠤⢔⣒⡭⠽⢒⠚⠉⠀⠀⢸⠁⠀⠀

⠀⠀⠁⢸⠀⠀⠉⠚⢒⠽⡭⣒⢔⠤⣠⢀⠀⠀⠀⠀⠦⡓⣌⠻⣝⣦⢿⣿⣿⡿⣾⢀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⢿⠀ ⠀⠈⡇⠟⡮⣖⠤⡠⣀⢀⠀⠀⠀⠀⠀⠦⠓⣙⣍⠦⠓⣟⣭⢿⣻⣶⠴⣤⣧⣿⢳⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡏⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⢸ ⠃⣾⠀⣄⠧⠘⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡒⣒⣷⣿⣶⣤⣀⠀⠀⠀⠁⡾⣿⣻⢻⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠏⣿⣿⣿⣿⣿⣿⣿⣷⣿⣿⣿⣿⣿ ⣿⢰⠀⠀⣿⣠⢀⠂⠓⠉⠀⠀⠀⠀⠀⠀⠀⠀⡃⣴⢀⠀⠀⠀⠀⠀⠁⠃⣷⣽⣼⣷⢻⠃⠈⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠟⣿⣿⣿⣧⣀⣀⢀⠀⡀⣿⣿⣿⣿⣿ ⣿⢾⠉⠃⣿⠀⠀⠀⠀⣿⣿⠿⠻⠛⠉⠉⠻⠏⣠⠀⠀⠀⠀⠀⠀⠀⠀⢱⠀⣆⣿⠀⡄⢧⡈⢤⠓⠉⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠁⡟⣿⣿⣿⣿⡇⠀⠀⠀⠀⠀⣿⣿⣿⣿⣿ ⣷⣿⡜⡧⣸⠀⠀⠀⠇⣿⣿⣿⣿⣿⣿⣿⣿⢠⠀⠀⠀⠀⠀⠀⠀⠀⠀⡆⠘⠁⠂⠽⠿⠿⠻⠙⠈⠀⣀⢤⠢⠒⠑⠉⠈⠀⠀⠒⣷⣿⣿⣿⣿⣿⡇⠈⠀⠀⠀⠀⣿⣿⣿⣿⣿ ⠆⣮⢿⣿⢸⠀⠀⠀⡇⣿⣿⣿⣿⣿⣿⣿⢰⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⠇⠭⢠⢀⣤⡅⣖⣶⠐⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡄⣿⣿⣿⣿⡄⢸⠀⠀⠀⠀⣿⣿⣿⣿⣿ ⠳⣄⣳⣿⣿⠹⠀⠀⡟⣿⣿⣿⣿⣿⣿⣸⠐⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣿⡄⣿⢀⠀⣀⢀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠀⠀⠀⠏⣿⣿⣿⣿⠀⢸⠀⠀⠀⠀⣿⣿⣿⣿⣿ ⡀⢷⠙⣿⣿⣿⠘⠀⣿⣿⣿⣿⣿⣿⣾⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡆⣿⡤⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡀⣄⣿⣿⣿⣿⣿⣿⣿⠘⢸⠀⠀⠀⠀⣿⣿⣿⣿⣿ ⠀⠀⣆⣿⣿⣿⣿⠉⣿⣿⣿⣿⣿⣿⢠⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠁⣿⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠛⡟⣿⣿⣿⣿⣿⣿⢸⢹⠃⡵⣏⠚⣿⣿⣿⣿⣿ ⠀⠀⠀⡀⣇⣷⣿⣿⣿⣿⣿⣿⣿⢸⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠋⣸⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣆⣿⣿⣿⣿⣿⣿⣿⢸⣇⡟⣿⣿⢿⣿⣿⣿⣿⣿ ⠀⠀⠀⠀⠀⡆⣷⣿⣿⣿⣿⣿⣿⢀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣿⣻⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡄⣿⣿⣿⣿⣿⣿⣼⣸⣣⣿⡀⣿⣧⣿⣿⣿⣿ ⠀⠀⠀⠀⠀⠀⡀⣦⣿⣿⣿⣿⢸⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠁⣾⢠⠀⠀⠀⠀⠀⠖⡿⠾⠐⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡆⣿⣿⣿⣿⣿⢰⠘⠀⣾⠀⣿⠀⣸⣾⣿⣿ ⠀⠀⠀⠀⠀⠀⠀⠀⡀⣦⣿⣿⢸⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠁⡏⢸⠀⠀⠀⠀⠤⣀⣀⢀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣆⣿⣿⣿⣿⠸⢸⠃⢸⡅⣿⠀⢺⢹⣿⣿ ⢣⠉⠀⠀⠄⠐⠀⠀⠀⠀⣇⣿⢸⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠁⣿⢹⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡄⣿⣿⣿⢹⢠⡄⠀⠇⢸⡏⢀⢡⣿⣿ ⠀⣿⠹⠀⠀⠄⠀⠀⠀⠀⡄⣿⢻⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡟⣿⣿⠈⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡆⣿⣿⣿⠻⠀⠀⡀⣎⡀⠀⡟⣿⣿ ⢸⣿⣿⢿⠀⠀⠂⠀⠀⠀⡄⣿⣸⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡟⣿⣿⣿⢿⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣷⣿⣿⣿⢻⠀⠀⠀⢠⠇⣻⣆⣘ ⣇⢿⣄⣿⢻⠇⠀⡄⠐⠀⠀⣿⢠⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡟⣿⣿⣿⣿⣿⢹⠠⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣧⣿⣿⣿⢿⠛⠛⠟⣼⢀⠋⢸ ⡀⣧⢻⡇⣿⠸⢱⠀⠀⠀⠇⣿⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡟⣿⣿⣿⣿⣿⣿⣿⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠁⠉⠉⠉⠀⠀⠀⣧⣿⣿⣿⣿⣿⣿⣿⣿⣿⢀ ⠀⠀⣦⠀⣧⣿⡜⠀⠀⠒⡇⢠⠀⠀⠀⠀⠀⠀⠀⠃⠀⡟⣿⣿⣿⣿⣿⣿⣿⣹⠉⠉⠈⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣀⣀⣀⣀⣀⣄⢤⠳⡌⣿⣿⣿⣿⣿⣸⠀⣷⠈⠀ ⠀⠙⠀⠈⡏⣷⣏⡜⠙⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣹⡟⣿⣴⣤⣠⣀⣀⣇⣰⠀⠀⡀⣀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢤⣇⣿⣿⣿⣿⢀⠀⠀⠀⠀ ⠀⡆⠘⢄⡇⡝⣧⣿⡜⠹⠀⠀⠀⠀⠀⠀⠀⠀⠿⣿⣟⣽⠮⠶⠶⠒⠗⣱⠉⠈⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠊⠴⠧⠻⠈⠀⠀⠀⡄⣿⣿⣿⣰⠀⠀⠀⠀⠀ ⢻⠈⣍⠛⡾⣷⣬⣶⣿⡜⠀⠀⠀⠀⠀⠀⠀⠏⣾⣠⣄⣠⣄⢤⠲⠟⡿⣿⢿⡻⢳⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠏⣿⣹⢸⠀⠀⠀⠇⣿⣿⣿⠀⠀⠀⠀⠀⠀ ⡀⣄⢤⡲⠓⠉⠂⠀⣌⣦⠹⠀⠒⠒⠴⠥⠯⣠⠀⠀⠀⠀⠀⠀⠀⠆⣿⣿⣻⣙⡎⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠦⡶⣶⣤⠀⠀⠀⠀⡤⣷⣿⣿⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⡀⣀⠤⡀⢄⡶⣶⠤⠤⣠⣈⣤⠤⠲⠙⠈⠀⠀⠀⠀⠏⣿⣿⣽⢿⠙⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣇⣿⢰⠀⠀⠀⠀⢸ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣀⠢⠙⠀⡏⣿⣿⣿⣿⣾⣿⠿⠙⠃⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡟⣴⢀⠀⠀⠀⠀⢸ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡀⢦⣿⣿⣿⣿⣿⢻⣿⣿⣿⣿⢹⠉⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⠀⠀⠀⠀⠀⠃⢠ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡤⣷⣿⣷⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⢿⠛⠈⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡼⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣿⣭⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⠹⠈⠀⠀⠀⠀⠀⠁⠉⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠁⡾⢀⠀ ⠀⠀⠀⠀⠀⠀⠁⠙⠉⠉⠉⠉⠉⠉⠉⠈⠀⠀⠀⠀⠀⠀⠀⠀⢀⣆⣝⣷⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⠀⠀⠁⠋⠒⢶⠘⡀⣁⣿⠦⠒⠚⠐⠀⠀⠀⠀⠀⠁⠋⡴⢀⠀⠀ ⠀⠀⠀⠀⠀⠀⡇⣿⣿⠹⠈⠀⠀⠀⠀⣀⣀⣀⣀⣀⣀⣀⣂⣟⣝⣷⣎⣸⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⢻⠟⡿⢽⠬⠀⠀⠄⠉⠿⣿⣿⢿⣿⣿⣿⡿⠾⠬⡤⣀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠇⠀⡇⣿⣴⢘⠛⠒⠒⠓⠛⠛⠛⠙⠙⠉⠉⠉⠉⣍⣿⠿⣙⣇⣿⢻⣿⣿⣿⣿⣿⣿⣾⣤⠀⠀⣀⣦⣷⣿⠿⠉⠇⣿⣿⣿⣿⣿⣿⣿⣿⡼⠀⡀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⡇⠀⣿⣿⠀⡇⣸⢸⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣿⣿⣿⣿⣿⣿⣿⣾⣁⠋⡽⣾⣶⠹⠀⡀⣄⣷⣿⣿⣿⣿⣿⣿⣿⣿⣿⣰⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠸⠀⣿⣾⠀⡇⢸⢸⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣿⣿⣿⣿⣿⣿⣸⠀⠁⠋⣛⣿⢾⣷⢻⠁⠀⠀⣧⣿⣿⣿⣿⣿⣿⣿⣰⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⢸⠃⣽⢸⠀⡇⣇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡇⣿⣿⣿⣿⣿⠀⠀⠀⠀⣇⣧⣿⠄⣤⠀⠰⠀⠀⣿⣿⣿⣿⣿⣿⣼⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠃⠀⡇⣿⢰⠀⡷⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣿⣿⣿⣿⣿⣿⣿⠻⠁⡉⣾⢀⡀⢠⠀⠀⠀⠀⣿⣿⣯⣿⣿⣿⢀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⡇⠀⡇⣿⠀⠀⣿⡆⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣷⣿⣿⣿⡛⣟⣿⣰⡇⣿⡿⣯⣿⠻⠈⠀⠀⠇⣿⣿⣿⣿⣿⣸⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⡜⠀⣿⡿⠀⠀⣸⢸⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣧⣿⣿⣽⠀⡀⣄⠦⡖⣿⣝⣮⣶⣶⢷⠠⠏⣿⣿⣿⣿⣿⣿⢀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⢸⠀⣿⢸⠀⠀⢸⢸⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡇⣿⣿⣿⠈⠀⠀⠀⠀⠀⣄⣤⣤⣤⣁⠏⣿⣿⣿⣿⣿⣿⢠⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⣸⢸⠀⠇⢠⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣧⣿⣿⢿⠘⠑⠁⠈⠀⠋⡟⢟⠿⣿⣿⣿⣿⣿⣿⣿⢠⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠇⢸⠀⠀⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡀⢷⡞⣷⣿⣝⣿⡿⢟⠿⣿⣿⣿⣿⣿⣿⣿⣿⣾⢀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀