// Uh, is this okay? At this distance, you've got nothing but weak spots!
// Too slow, too slow
/*
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣀⡤⠴⠚⠋⠉⠉⠈⠉⠐⠒⢵⡑⡄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⡤⠖⢋⠅⠀⠀⠀⠀⣀⣠⠀⠀⠀⠀⠀⢹⡾⢔⠦⠯⢭⣵⠦⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣀⣀⡀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣀⠴⠊⠁⠠⠈⠀⠀⠀⣠⡲⠟⠁⠀⠀⠀⡠⡀⠑⢤⠧⠀⠀⠀⠀⠈⠙⠦⣄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣀⣠⣤⠶⠶⠒⠛⠛⠛⠛⠋⠛⠛⠛
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⡤⠊⣁⡤⠂⠀⣠⠀⠀⡠⠞⠁⠀⠀⡀⠀⠀⠀⠙⠺⣦⣀⠳⡎⠠⠖⠠⢄⠀⠀⠀⠙⣦⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣠⣴⠾⠟⠛⠉⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⢔⣩⣶⡿⠋⠀⢀⠜⠀⢠⠊⠀⠀⠀⢠⠞⠁⡀⠀⠀⠀⠀⠘⢿⡅⠀⠀⠀⢀⠈⠱⣤⡀⠀⠐⣽⣆⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣠⣶⣿⠟⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣴⠟⠋⡩⠊⠀⠀⢀⠎⠀⡴⠁⠀⠀⠀⠰⠁⡠⠊⠀⠀⣠⠄⠀⢦⣬⡓⠀⠀⠀⠀⠑⠄⠀⠛⠄⠀⠀⠫⢧⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣠⣾⡿⠋⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⠔⠋⠀⢀⠞⠁⠀⠀⢀⠎⢀⠄⠀⠀⠀⠀⠀⢀⢜⠁⠀⡠⠚⠀⢀⠄⡄⢯⢚⠄⠀⠀⢠⠀⠈⢟⡄⠈⡄⠀⠀⠘⣧⡑⠤⣀⠀⡀⠀⠀⠀⠀⢀⣴⣿⠏⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⡔⠁⠀⠀⡰⠋⠀⠀⠀⢀⡎⠀⡌⠀⠀⠀⠀⠀⣼⡫⠃⡠⠊⠀⠀⢠⠋⣼⣟⣶⣛⣤⢦⡀⠀⠑⡄⠀⠻⡄⡘⡄⠀⠀⠸⣿⡍⠊⠉⠁⠀⠀⠀⣠⣿⣿⠏⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣔⡏⠀⠀⠀⡜⠁⡀⠀⠀⢠⢺⠀⣸⠀⠀⠀⠀⠐⢸⠟⢀⠜⠀⠀⢀⢄⢃⡼⠉⠈⠉⠉⠛⠋⠹⣆⢄⠸⡀⠀⠰⡁⠘⡄⠐⡄⢹⣾⡄⠀⠀⠀⠀⢠⣿⣿⡏⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⠎⡸⠀⠀⢀⡜⢀⡾⠁⠀⢠⢃⠆⢀⡿⠀⠀⠀⠀⢀⠇⣠⠟⠁⠀⠠⢃⠎⡼⠁⠀⠀⠀⠀⠀⠀⠀⠹⣮⢂⣿⠀⠀⢱⢡⢱⠀⠰⡆⡟⣇⠀⠀⠀⠀⣸⣿⣿⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡎⠀⢧⠀⢀⡎⠠⡿⠁⠀⢠⢃⠎⠀⣸⠃⠀⠀⠀⠀⡸⠰⠋⠀⠀⡰⢡⡞⣼⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠘⣏⢿⡇⠀⠀⡇⢇⢣⠀⠸⢸⢸⠀⠀⠀⢠⣿⣿⣿⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢳⡎⠁⠀⡞⢀⣾⠁⠀⢀⠃⡼⠀⠀⡟⠀⠀⠀⢀⠆⡴⠁⢀⠔⠊⣠⣻⡳⠃⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠹⣎⣧⢸⠀⢹⡜⡌⠆⠀⣿⠀⠇⠀⠀⣸⣿⣿⣿⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⢠⣾⣿⠀⠀⠎⡸⡏⠀⠰⠁⠀⠀⠀⣸⢠⠃⣠⠏⢀⣼⡵⡽⠁⠀⠀⠀⠀⠀⠀⠀⠀⣀⠤⠐⠒⠂⢿⣼⠈⡄⢸⡿⣵⡸⡄⣿⡀⠀⠀⠀⣿⣿⣿⣿⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡜⡞⢸⡇⠀⠀⢠⣾⡇⠀⢸⠀⠀⠀⠀⡇⢸⢪⡜⢡⣾⢫⠊⠀⠀⠀⠀⠀⠀⠀⢠⣶⠋⠁⠀⠀⠀⠀⠀⣿⠀⠃⠀⣷⡏⢱⢱⡏⢳⡄⠀⠀⣿⣿⣿⣿⣷⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢰⣷⠃⢸⡇⢀⠇⢎⡟⠀⠀⡆⠀⠀⠀⠀⡇⡼⠊⣴⣿⠗⠁⠀⠀⠀⠀⠀⠀⢀⣴⠟⠑⠂⠉⠁⠁⠒⠢⠄⢻⡆⠆⠀⣿⡸⢸⣀⢿⠀⠉⠁⠈⢿⣿⣿⣿⣿⡄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣿⠀⢸⡇⡜⡀⣾⢰⠀⠀⡇⢀⠀⠀⢈⠁⣧⠼⠛⠋⠛⠻⡷⣄⠀⠀⠀⠀⠘⠡⢀⣀⠤⣤⣶⣶⣶⢶⣾⡟⡇⡇⠀⣸⣷⣫⠟⣘⢦⠀⠀⠀⠈⢿⣿⣿⣿⣿⡄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢻⡀⠀⢇⢡⣻⢷⢸⠀⠀⡇⠘⠀⠀⢸⠀⣧⣤⣤⣤⣠⠤⠼⣈⢢⠀⠀⠀⠠⣎⢵⣾⣿⣿⡻⣿⠇⣼⡿⠀⡇⡇⠀⢼⢣⢿⡀⢿⣿⠷⡄⠀⠀⠈⢿⣿⣿⣿⣿⡄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠁⠀⢸⢸⡇⢸⣘⡄⠀⡇⠀⡄⠀⠀⠁⡟⠻⣿⣟⣿⣿⢷⠇⠀⠀⠀⠀⠀⠉⠛⠁⢨⠿⠾⠁⠚⠉⠀⢀⢧⡟⠀⣾⡟⣎⣇⢻⡍⢢⡀⠀⠀⠀⠀⠉⠛⣿⣿⣿⣦⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠁⠳⡄⠻⡇⢀⣿⠀⢧⠀⠀⡌⣷⡦⠽⠶⠖⠇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⡸⡟⠀⣏⢹⡌⢿⣿⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠛⢛⣿⡿⣄⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢱⢸⢻⡄⢸⡀⠀⢷⣷⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣷⢃⡇⡼⣣⡗⣽⢣⡿⣿⠖⠴⠃⠀⠀⠀⠀⢀⣤⣶⡿⡿⠿⠟⠿⢷⣶⣤⣄⣀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠛⠃⢧⡸⣧⡀⢸⣿⣆⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡼⠁⣼⣿⢯⣽⡻⡼⣳⣽⢾⡝⠂⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠙⠛⠛⠻⠷⠶⠶⢶⣤⣶⣴⣦⣴
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⢉⣷⣄⣳⠉⠁⠀⠀⠀⠀⠀⠀⠢⡀⠀⣠⡦⠀⠀⠀⠀⠀⠀⠠⠊⠀⣰⣿⣿⡱⢾⣿⢷⣭⣺⢻⣯⣄⣀⠀⢀⣠⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠉⠉⠉
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢰⣄⣀⡼⢋⣾⣿⡇⠀⠀⠀⠀⠀⠀⠀⠀⠘⠀⠁⠀⠀⠀⠀⣠⡶⠂⠀⠀⣴⣿⣎⣿⢹⡿⣽⢿⣾⣟⢿⡾⣯⡿⠛⠉⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣠⣤⣤⣤⣀⣀⣀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠘⢦⢴⣱⡯⢸⣯⢿⣦⣄⠀⠀⠓⠦⠄⣤⡤⠴⠒⠒⣲⡶⠛⠁⠀⠀⢀⣼⣿⣿⣽⣧⡿⣽⣻⣏⣿⢿⣗⠛⠾⠒⠒⠀⠀⠀⠀⠀⠀⠀⠀⠀⣠⣴⣾⠿⠿⠿⠿⢿⣿⠿⠿⠛⠛⠒⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠉⣩⠟⢠⣾⢹⣿⣿⣯⣷⣄⡀⠀⠀⠀⠉⠉⠉⠁⠀⠀⠀⠀⠀⣠⡿⣟⣿⣿⠝⠀⣿⡿⣷⢾⣹⣟⣿⣷⡀⠀⠀⠀⠀⠀⠀⢀⣠⡴⠚⠉⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣠⣞⡢⢜⡿⠛⣷⣹⣿⣿⣷⣾⠟⣦⣄⠀⠀⠀⠀⠀⠀⠀⠀⣠⡞⣯⣇⣿⣿⣇⢀⣀⣝⣿⣿⣿⣷⣿⣾⣿⣿⣶⣴⣶⣶⢾⡿⠟⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠸⣿⣿⣟⣿⣿⣿⢣⡿⣿⣦⣀⠀⠀⢀⣠⣾⡏⣱⣿⣹⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡞⠉⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⢀⡤⠖⢲⢄⠀⣀⣀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠙⢧⢽⣿⣷⡿⣼⣠⣽⡏⣿⢻⠟⡽⢰⣿⣷⢿⣿⣿⡿⣿⣿⡿⣿⣿⣿⣿⡍⠉⢉⠉⠉⠉⠈⠻⣿⣿⣦⣀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠁⠈⢉⡵⣫⠾⣁⢞⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠛⣿⢿⠻⣿⢧⣷⠏⣸⣸⣗⡟⠉⠀⣼⡿⢿⣿⣾⣿⡿⠿⠟⠛⠛⠉⠉⠉⣧⡀⠀⠀⠀⠘⣟⢿⣿⣷⣦⣀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⡞⢩⠖⠁⠀⢀⡜⠀⠀⢠⡤⣤⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠂⣠⠞⢹⡛⢷⣼⣟⣻⣿⣏⡁⠀⠀⠀⢰⣿⠤⠜⠋⠉⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⢧⣄⣀⠀⠀⠘⠀⠛⣿⠈⠙⠛⠶⣤⣄⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⡜⢠⠃⠀⠀⢀⡞⠀⠀⢠⠏⠧⢼⡆⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢰⡏⠁⠀⠀⣇⠀⠙⢟⢿⣯⣹⣿⡆⠀⢰⠟⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣀⣤⣴⣶⣿⣿⣷⣶⣒⣲⣄⠿⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⡵⠁⠀⠀⢀⡞⠀⠀⠀⡞⠀⠀⢸⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣰⠆⠀⠀⠀⠀⠀⠀⣱⡀⠀⢀⣿⠀⠀⠿⠁⠈⠉⠀⠀⢀⡿⠀⠀⠀⠀⠀⠀⣀⣠⣤⣶⣾⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣷⣦⣄⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⣧⠀⠀⡰⢹⠁⠀⠀⢸⠁⠀⠀⡾⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠠⠷⠒⠿⠃⠀⢀⣤⡀⣤⣠⣾⣿⣧⣀⡎⢹⡄⠀⠀⠀⠀⠀⠀⢠⣾⡇⠀⣀⢠⣴⣶⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣷⣶⣤⣤⣀⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⣿⠀⠀⠃⠸⡄⠀⠀⡏⠀⠀⡞⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣀⣀⣀⣀⣠⡽⠃⠀⠰⣿⣯⣿⣿⣿⣿⣿⡿⢿⠃⠀⠁⠀⠀⠀⠀⠀⡴⣫⣾⣶⣿⣇⠀⢻⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣷⣶⣶⣤⣤⣤⣤⣄⣀⣀
⠻⡆⠀⠀⠀⡇⠀⡸⠀⠀⠀⢹⠀⠀⠀⢀⡤⣤⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⣾⡀⠸⣿⣿⣧⣴⣶⣾⣿⣿⣿⣿⣿⣿⡿⠋⢐⣼⣿⣶⣄⠀⠀⣀⣤⣾⣿⣿⣿⣿⣿⣿⣆⠀⢻⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿
⠠⡇⠀⠀⠀⢸⣤⠃⠀⠀⠀⣸⠀⢠⠞⢩⣯⠟⠀⠀⠀⠀⠀⠀⠀⠀⣀⣠⣤⣤⣾⣿⣶⣶⣿⣿⣿⣿⣿⣿⣿⣿⣿⡿⠛⠁⠀⢴⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡿⠭⢀⣀⠀⢿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿
⠂⢃⠀⠀⢀⣀⠚⠀⠀⠀⢀⣯⠞⠁⢠⢳⠎⠀⠀⠀⠀⠀⠀⠀⣰⣿⡿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⠟⠋⢁⣠⣴⣾⣄⠈⠻⣿⣿⣿⣿⣿⣿⣿⣿⣿⠿⠋⠋⣉⣵⣾⢿⣿⡄⠈⢿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⠟
⡉⠈⢢⠀⡜⠋⠐⣦⠀⠀⡾⣽⠀⠀⣎⡎⠀⠀⠀⠀⣴⠂⠀⢀⣿⣯⣾⣿⣿⣿⣿⣿⣿⣿⣿⣿⡿⠛⠉⣀⣤⣾⡿⣯⣟⡿⣽⣷⡄⠈⠻⢿⣿⣿⠟⠛⠉⢀⣤⣶⣻⣟⡿⣽⣻⢾⣽⡄⠈⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⠏⠁⢠
⢮⣉⡐⢣⠃⠀⠀⠛⠀⡞⠀⠸⢷⡠⡿⠀⠀⠀⠀⠘⣻⡆⠀⢨⣿⣿⣿⣿⣿⣿⣿⣿⣿⠟⠋⢁⣠⣶⡿⢿⣽⣳⣟⡷⣯⣟⡿⣽⡿⣷⣔⡠⠊⢀⣠⣴⣾⣿⣻⣞⣷⣻⣽⢷⣻⣟⡾⣿⡀⠘⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⠟⠁⢀⣴⣿
⡄⣒⠤⠭⢗⣒⡀⠀⠠⠇⠀⠀⠈⢷⡇⠀⠀⠀⠀⠀⠋⠁⣠⣿⣿⣿⣿⣿⣿⣿⡿⠋⢁⣤⣾⣟⡿⣝⣿⣻⣞⡷⣯⢟⡷⣯⣟⣷⣿⣿⣿⢿⣿⣿⣻⢯⣷⣻⣵⣻⣞⢷⣯⣿⢿⣽⡷⣟⣷⠀⠹⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡟⠁⠀⣰⣿⣿⣿
⢿⣄⠈⠁⢚⣒⠠⠤⠼⠂⠀⠀⠀⢸⠃⠀⠀⠀⠀⢠⣤⣷⣿⣿⣿⣿⣿⣿⣿⠋⢀⣴⡿⣿⣹⡾⣽⣻⣞⡷⣯⢿⡽⣯⣟⡷⣿⣽⣾⡟⣾⢯⣷⣯⡿⣟⣟⢿⣳⣿⣿⣿⡷⣿⢯⣿⣽⡿⣽⣧⠀⢻⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⠏⠀⢀⣾⣿⣿⠿⢿
⢸⠻⣧⣘⠣⠤⠛⣛⣣⠤⢠⡀⠀⡜⠀⠀⠀⠀⢠⣿⣿⣿⣿⣿⣿⣿⣿⡿⠃⣠⣿⣿⣻⣟⣧⣿⣧⡿⣼⢿⣻⣟⡿⣧⣟⡿⣧⢿⣼⡻⣟⡿⢧⣟⣿⣿⣿⡼⣿⣟⣿⣧⡻⢿⣻⣿⣼⣿⡿⣿⣄⠀⢿⣿⣿⣿⣿⡿⠿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡟⠀⠀⣼⣿⣿⣿⣿⣿
⢸⠀⠐⠪⠒⠽⠥⠶⠖⠤⠓⠀⢸⡄⠀⠀⣀⣀⣼⣿⣿⣿⣿⣿⣿⣿⡟⢡⣾⣿⢻⣼⣿⣾⣿⣿⣿⡿⣽⣫⡷⣯⢿⣳⣯⡿⣯⣟⡾⣽⢯⡿⣟⣯⣿⣿⡿⣿⡷⢿⣿⣹⣷⣯⣿⣳⣯⣷⣻⣯⢿⣆⠈⢻⣿⡿⠋⠀⠀⠀⠈⠉⠛⠛⠛⠛⠛⠿⡿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⠁⠀⣸⣿⣿⡿⠟⠛⠻
⢸⠀⠀⠀⠀⠀⠀⠀⠠⢄⠀⠀⢸⠃⠀⣾⣟⣽⣿⣿⣿⣿⣿⣿⣿⣿⣷⣿⣿⣾⣿⣿⣿⣿⣿⣿⣿⣿⣳⢯⣿⣟⣿⣯⣿⣽⡷⣯⢿⡽⣯⢿⡽⣟⣾⣿⣏⣿⠇⣿⣿⣿⣿⣿⢯⣷⣻⣞⡷⣿⣻⢿⣧⣠⠋⠀⠐⢉⣭⣀⣀⣀⣀⣀⣀⣤⠶⠤⢌⣁⡑⠋⠙⠭⡿⢿⣿⣿⣿⣯⣤⣤⣿⣿⣿⣀⣀⣀⣀
⡇⠀⠀⠀⠀⠀⠀⠀⠀⠈⠦⢠⠋⠀⠀⣽⠇⠀⠉⠻⣿⣿⣿⣿⣿⣿⢿⣳⡿⣿⣿⣿⣿⣿⣿⣿⣿⢯⣟⣿⣳⣿⣿⢿⣟⡧⣿⣟⣯⣟⡷⣯⢿⣯⣟⣿⣿⣿⢸⣿⣿⣯⣿⣾⡻⣞⡷⣯⣟⣯⡿⣿⡏⠀⠀⢀⡴⠛⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠦⠤⠈⠉⠩⠵⡽⣷⣶⡷⠾⣿⣿⣿⣤⡀⠀⢠⣄⣫
⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡏⢀⣠⣿⣿⣷⣦⡀⠀⠀⠻⣿⣿⣿⣿⣻⡽⣟⡷⣯⢿⣹⢯⣟⡿⣽⣟⣿⣿⣿⣿⢿⣿⢓⣿⣿⣟⡾⣽⣻⣽⡿⣽⣞⡿⣯⣿⡾⢿⣻⣟⡷⣫⢿⣽⣻⣯⡿⣽⢿⣽⢇⡤⠚⠁⠀⠐⠉⣉⣀⠤⠤⠤⢤⣤⠤⠒⠉⠉⠉⢒⡒⡤⢤⣶⣿⣿⡻⠶⣷⣦⢿⣿⡟⢿⣿⣛⣿
⠃⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⡗⠛⠛⠻⢿⣿⣿⣿⣦⡀⠀⠘⢿⣿⣿⣷⣻⢯⡿⣽⣻⣏⡿⣽⣻⣽⣻⣾⠟⣠⡙⠿⡿⡾⠿⠗⢿⣟⡷⣯⢷⣟⣯⢿⣽⣷⣍⣵⣿⡻⣞⣽⢯⡿⣞⣷⣯⢿⣟⣿⣿⠋⠀⠀⣀⣤⣶⡿⠋⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣰⣿⠋⠥⠠⠤⠥⠿⣿⣻⠿⣿⣿⣏⠓⠈⠻⢿⠿
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⠀⠀⠀⠀⠀⠙⢿⣿⣿⣷⡄⠀⢸⣿⣿⣿⣽⣯⣟⡿⣵⣯⣿⣽⣿⣾⣿⣿⣸⣿⣿⣿⣿⣿⣿⡿⣸⣯⡿⣽⣻⢾⣻⣽⢾⣳⡿⣽⢾⡽⣽⣞⣿⣽⢿⡾⣟⣯⣿⠋⡡⢇⣴⣾⣿⠟⠁⠀⠐⢉⣩⣤⣤⣤⡴⠤⠤⣤⠴⠋⠁⠀⠀⣠⣴⠆⠀⠈⠉⠛⠉⠉⠉⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⠀⠀⠀⠀⠀⠀⠀⠹⣿⣿⣿⡄⣾⣿⣿⢠⣬⡙⣾⣽⡟⢳⣿⢾⣻⣿⣯⣟⣿⣿⠏⡌⣷⣿⡿⣿⣟⣯⡿⣽⢯⡿⣽⣞⡿⣽⣻⡽⣾⣽⣳⣟⣿⣾⣿⣿⣿⣿⣿⣬⣶⡿⣿⡾⠃⠀⠀⣀⣴⣿⣿⣿⡿⡯⠔⠒⠉⠀⠀⠀⠀⠀⠚⡑⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣀⣀⣴
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡌⠀⠀⠀⠀⠀⠀⠀⠀⠹⣿⣿⣿⣿⣷⡇⣾⡿⢃⣿⡿⠁⢸⣟⡟⢁⣤⡌⣻⣿⡿⠀⢰⣿⣯⣿⢯⠟⣾⡽⣯⠿⠽⢷⣛⣾⠷⢯⣻⣽⣾⣿⣻⣟⡷⣿⣞⣷⣯⣿⣻⣽⡿⠟⡲⠀⣠⣾⣿⣿⣿⣿⡿⠋⢁⡠⢄⣀⠠⠤⠒⠒⠉⠉⠉⠉⠉⠉⠉⠙⠛⠓⠛⠛⠋⠉⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢃⠀⠀⠀⠀⠀⠀⠀⠀⠀⢻⡿⢹⡿⣿⢠⣤⡔⣿⡿⢁⡇⣻⣯⡇⠻⣿⣷⢿⣻⡇⢀⣿⣟⣾⣽⠋⠀⣯⣿⡇⣸⣶⡆⢹⡟⢠⣶⡄⢹⣾⢯⣷⢯⣟⣷⣻⡷⣯⣷⣿⢿⣷⡮⠤⢊⣿⣿⣿⣿⡿⡿⠁⠀⢁⡴⠋⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⠀⠀⠀⠀⠀⠀⠀⠀⠀⣸⠁⢸⣿⡇⣼⣿⠇⣿⢃⣚⡃⣟⣿⣿⣦⠘⢯⣿⣽⠀⣸⣿⣞⣯⠇⣼⠀⡿⣾⠀⢿⡿⢃⣼⠇⣾⣿⡇⢸⣯⣟⣾⣟⡿⣾⡵⣿⣽⣾⣯⠿⠛⠁⢠⣿⣿⣿⣿⠟⣹⢤⠀⣰⠋⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠘⡆⠀⠀⠀⠀⠀⠀⠀⣰⡇⠀⢸⣿⣧⣭⣥⣾⣃⣾⡽⡇⣿⡀⣿⣿⠃⣼⣿⡟⢀⣿⣟⣾⠏⣐⣛⠀⣟⡏⢰⣶⠰⣟⡿⢰⣿⣽⠃⣿⣳⣟⣾⢯⣟⣯⡿⣷⠝⠉⢀⣠⣴⣶⣿⣿⣿⣿⠋⣴⡥⢊⡴⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢧⠀⠀⠀⠀⠀⣀⢴⣿⡇⠀⣺⣿⢯⣿⡿⣽⢯⣷⣻⣷⡿⣷⢦⣴⣾⣿⣿⡇⣼⣿⣳⡏⣰⡿⣿⠀⣯⠁⣟⣾⠐⣿⠃⣼⣷⠃⣼⣿⣻⢾⣽⣟⢾⡳⠟⠁⣠⣶⣿⣿⣿⣿⣿⣿⡿⠁⠀⠀⠉⠉⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣎⠔⠄⠰⠪⠛⣩⣿⣿⠃⠀⣿⣿⡿⢯⣟⣷⣻⣞⣷⡿⣝⣯⣻⣝⣾⣳⣿⣰⣿⣳⣯⣟⡿⣝⣯⣻⡟⣾⣛⢾⢦⡿⣤⣥⡴⣿⣛⣾⣽⣻⢾⡽⠋⢀⣠⣾⣿⣿⣿⣿⣿⣿⡿⠋⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
*/
#include <bits/stdc++.h>
using namespace std;
#define int long long
const int sz=1e6+5;
const int INF=1e18;
const int MOD=1e6+3;
char table[5000][5000];
int rows[5000][5000],columns[5000][5000];
void solve()
{
int n,m;
cin>>n>>m;
for(int i=1;i<=n;i++)
{
for(int j=1;j<=m;j++)
{
cin>>table[i][j];
rows[i][j]=rows[i][j-1]+(table[i][j]=='O');
columns[i][j]=columns[i-1][j]+(table[i][j]=='I');
}
}
int res=0;
for(int i=1;i<=n;i++)
{
for(int j=1;j<=m;j++)
if(table[i][j]=='J')
res+=(rows[i][m]-rows[i][j])*(columns[n][j]-columns[i][j]);
}
cout<<res;
}
signed main()
{
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int t=1;
//cin>>t;
while(t--)
{
solve();
}
}
