3 포인터!!

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣀⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣴⣶⣾⣟⣯⣿⣿⣿⣿⣿⣯⠉⠓⠒⠶⣦⣄⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣴⣾⠏⠚⠁⠀⠀⠀⠀⠹⠛⠋⠉⠻⣦⠀⠀⠀⠀⠈⠙⠲⢤⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣴⡿⠛⣡⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠛⠙⣶⣄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⢀⣴⢿⣿⡟⡻⠁⠀⠀⠃⠀⠀⠀⠀⠀⠂⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⠻⣄⢦⡹⣷⣄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀
⠀⠀⠀⠀⠀⠀⢠⣿⣷⠟⠁⣸⠁⣾⠷⠂⡔⠀⠀⣀⡀⠀⠀⠀⠀⠀⠀⠀⠀⠐⣆⢢⣄⢀⡀⠙⢧⢻⡉⠙⢦⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀
⠀⠀⠀⠀⠀⣠⣿⣡⢏⠀⢰⠇⠀⠀⠀⠀⠀⠀⠉⠙⠛⠃⠛⠒⠒⠒⠒⠒⠛⠊⠳⡈⠉⠁⠀⠀⢣⠳⣄⠀⣻⡄⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀
⠀⠀⠀⠀⢠⣿⢣⠟⣴⢢⡏⡠⢀⣆⠀⠀⠀⠜⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡀⢀⠀⠀⠹⡄⡀⠀⠀⠈⢧⡘⡟⢾⣽⡄⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀
⠀⠀⠀⢠⣿⢟⡿⢰⠃⢸⢀⡇⠘⣧⠈⠈⠈⠀⠲⠶⠤⠀⠀⠦⡦⣀⢠⡀⠁⠀⠣⠠⠤⢷⠸⡄⠀⠀⠈⢳⡘⡆⠻⣿⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀
⠀⠀⢠⣿⠋⣸⠁⡿⢀⡏⢸⡇⢠⡿⠀⠀⢀⠀⠀⠀⠀⠀⠀⠀⠁⢹⡀⢣⠀⠀⠸⡆⠀⠈⣧⢿⡀⠀⠀⠈⢷⢹⡀⠘⣧⠀⠀⠀⠀⠀ ⠀⠀⠀
⠀⠀⣾⠏⠀⡿⢀⣧⣸⡇⢸⠃⢸⡇⣄⠀⣿⠀⠀⠀⠀⠀⢰⣤⡄⠈⢧⢸⡄⠀⠀⢻⡀⠀⠸⠘⡇⠀⠀⠀⠸⣆⣷⠀⢻⡄⠀⠀⠀⠀ ⠀⠀⠀
⠀⣼⣿⠄⢸⡇⢸⣿⣿⣇⣿⠀⣿⡇⣇⠀⣿⠀⢸⡆⡀⠀⡟⣿⠃⠀⡀⠸⡇⠀⠀⠀⢻⡄⠀⢆⢹⡄⠀⠀⠀⠙⢹⡄⠈⣷⠀⠀⠀⠀ ⠀⠀⠀
⢰⣿⣿⡀⢿⣷⢸⣿⣿⣿⡏⠠⣿⡇⡏⠀⣿⠴⢾⣷⣷⣶⣧⣿⡀⡀⡇⣀⣧⠀⠀⠀⠀⢿⠀⠈⢸⠁⠀⠀⠀⠀⠈⣇⠠⣿⡄⠀⠀⠀ ⠀⠀⠀
⢸⣿⢾⣧⢸⣿⣿⣿⣿⣍⣧⠀⠸⡆⣷⠀⠿⠀⣼⡯⠿⠿⡯⢸⣇⣧⣧⠃⣿⠀⠀⠀⠀⢸⡀⠀⢸⡇⠀⠀⠀⠀⠀⣿⠀⢾⡇⠀⠀⠀ ⠀⠀⠀
⠀⢸⣾⣿⣧⣿⣿⣿⣿⣿⢿⣆⠀⣓⢸⡀⠐⠃⠈⣀⣠⡴⠇⠀⣿⢿⡛⠘⢸⠀⡀⠀⠀⠀⣧⠀⠘⡇⠀⠀⠀⠀⠀⣿⠀⢈⣧⠀⠀⠀ ⠀⠀⠀
⠀⠀⠹⣿⣿⣿⣏⠈⣿⣿⡏⠈⠛⠿⠤⣷⣾⣿⣿⣿⣿⣿⣷⣦⣜⠈⣿⠀⠘⠀⢧⠀⠀⠀⣿⠀⠀⢇⠀⠀⠀⠀⠀⣿⠀⢸⣻⠀⠀⠀ ⠀⠀⠀
⠀⠀⠀⠊⢹⣿⠙⡀⠸⣿⡇⠀⠀⠀⠀⠀⠉⠹⠟⢻⣿⣿⣿⣭⣿⣷⣾⠀⠀⠀⢸⡆⠀⠀⢿⠀⠀⢸⠀⠀⠀⠀⠀⣿⠀⠀⢻⡆⠀⠀ ⠀⠀⠀
⠀⠀⠀⠀⢸⣿⡆⠙⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⣿⣿⣿⣿⠏⣿⢦⡄⠀⠀⢸⡇⠀⠀⠸⡆⠀⢸⠀⠀⠀⠀⠀⣿⠀⠐⣾⡇⠀⠀ ⠀⠀⠀
⠀⠀⠀⠀⢸⣿⡇⠀⠀⠀⢀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠻⣶⠼⠛⠚⠁⢸⡇⠀⠀⠈⣷⠀⠀⠀⡇⠀⢸⠀⠀⠀⠀⠀⣿⠀⠈⢿⡇⠀⠀ ⠀⠀⠀
⠀⠀⠀⠀⢸⣿⣇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠉⠉⠀⠀⠀⢸⡇⠀⠀⠀⣿⠀⠀⠀⡇⠀⠈⠀⠀⠀⠀⠀⣼⠀⢦⢸⡇⠀⠀ ⠀⠀⠀
⠀⠀⠀⠀⢸⣾⣿⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⡇⠀⠀⠀⣿⠀⠀⠀⡇⠀⢠⠀⠀⠀⠀⠀⠀⣏⠀⠘⢸⣧⠀⠀ ⠀⠀⠀
⠀⠀⠀⠀⣿⠈⣿⣷⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣾⠁⠀⠀⠀⣿⠀⠀⠀⡇⠀⢸⠀⠀⠀⠀⠀⣷⠀⡀⠸⣿⠀⠀ ⠀⠀⠀
⠀⠀⠀⠀⣿⠀⣿⣿⣷⡀⠀⠀⣀⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣿⠀⠀⠀⠀⣿⠀⠀⠀⡇⠀⢸⡇⠀⠀⠀⠀⣿⠀⣿⠀⣿⡇⠀ ⠀⠀⠀
⠀⠀⠀⠀⣿⣸⣿⣿⣿⣿⣆⠀⠈⠉⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⣿⠀⠀⢠⠀⣿⠀⠀⠀⡇⠀⢸⡇⠀⠀⠀⠀⡏⠀⣿⠀⢸⡇⠀ ⠀⠀⠀
⠀⠀⠀⠀⢿⣿⢻⣿⣿⣿⣿⣦⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣠⣴⡟⠀⢀⡇⠀⣿⠀⠀⢀⡇⠀⢸⡇⠀⠀⢀⢰⠇⠀⣿⠀⢸⡇⠀ ⠀⠀⠀
⠀⠀⠀⠀⠸⣿⡌⣿⣿⣿⣿⣿⣧⡀⠀⣀⣀⣠⣤⣴⣾⠻⠿⠭⠐⢛⡇⠀⣸⡇⢀⣿⠀⠀⣼⠃⡀⣼⠁⠀⠁⠊⣾⠀⠀⣿⠀⢸⡇⠀ ⠀⠀⠀
⠀⠀⠀⠀⠀⢻⣇⠘⠻⢿⣿⡻⣿⡿⠿⠿⢿⡿⢿⣿⣿⣇⠀⠀⠀⣼⣿⣼⣿⠃⢸⡇⠀⣄⣿⡄⣽⡇⠀⡆⣸⢠⣿⠀⠀⣿⠀⢸⡇⠀ ⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠉⠀⠀⠀⠀⢀⣠⠴⣾⠀⣾⠛⣼⣿⣿⣿⠀⠀⢠⣿⡿⢃⣟⠁⣾⣿⣀⣿⣿⣾⡿⠀⠈⢰⣯⣿⣏⠀⠀⣿⠀⣾⣾⣾⠀ ⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⠏⠀⢠⣿⢠⠇⠀⣼⣿⣿⡿⠀⠀⡿⢋⠀⣸⣿⡿⣡⡾⣿⣿⣿⡿⠀⠀⢀⣞⣼⣿⣷⠀⠀⣿⢠⣿⡇⠀ ⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡞⠀⠀⢻⡏⣿⠀⢠⡿⣿⣿⡇⠀⠀⠀⠀⠾⠟⠋⠀⠉⢀⡟⠁⣿⠇⠀⢀⣼⣿⣿⣿⣿⠀⣤⣿⣼⣿⠃⠀ ⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⠇⠀⠂⣾⢁⡏⠀⣾⢻⢿⡿⠀⠀⠀⠀⠀⠀⠐⢦⠀⢀⣾⠀⢠⡏⠀⠀⣸⢿⠋⢻⣿⣿⢾⣿⣿⣿⡟⠀⠀ ⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⣸⠀⠀⢠⡟⣾⠀⣼⠣⣏⣾⡇⠀⠀⠀⠀⠀⠀⠀⠈⢓⣼⠇⠀⡿⠀⠀⢰⣿⡏⠀⠀⠉⠻⣿⡿⣽⣿⠃⠀⠀ ⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⢹⠀⠀⣼⢱⠏⢠⠏⣼⣻⣻⡇⠀⠀⠀⢀⣀⣤⠶⠚⢹⡇⠀⣸⠓⠀⢀⣟⡟⠁⠀⠀⠀⠀⠈⠻⢿⡇⠀⠀⠀ ⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⡇⠀⣸⣏⣿⠀⠈⢰⣻⣧⡇⠉⠛⠛⠉⠉⠀⠀⠀⣼⡟⠀⢠⡟⠀⠀⣾⣻⠁⠀⠀⠀⠀⠀⠀⠀⠀⠙⢦⡄⠀ ⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⡿⢰⡟⢸⠗⠀⠀⣮⡏⣸⠁⠀⠀⠀⠀⠀⠀⠀⢰⣿⠇⠀⣾⠀⠀⣰⣿⡇⠀⠀⠀⠀⢰⣺⠵⠟⠛⠃⠰⠙⢧ ⡀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⣷⣿⠃⡿⠀⠀⠀⣾⢠⡏⠀⠀⠀⠀⠀⠀⠀⠀⣸⡟⠀⢸⠇⠀⠀⣿⡟⠀⠀⠀⢀⡴⠋⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠻⡄⠀
⠀⠀⠀⠀⠀⠀⠀⠀⢠⣯⡏⢸⡇⠀⠀⢠⠇⣾⠇⠀⠀⠀⠀⠀⠀⠀⠀⣿⡇⠀⣸⠀⠀⢸⣿⠁⠀⠀⢠⠏⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⣿⠀
⠀⠀⠀⠀⠀⠀⠀⠀⣼⡿⠀⢸⠇⠀⠀⣾⣸⡿⠀⠀⠀⠀⠀⠀⠀⠀⢀⣿⠇⠀⠃⠀⠀⣿⡟⠀⠀⢠⡏⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⢸⡄
⠀⠀⠀⠀⠀⠀⠀⢸⢳⡇⢠⢸⠀⢰⠀⡏⠏⡇⠀⠀⠀⠀⠀⠀⠀⠀⢸⢿⠀⢈⡀⠀⢠⢷⠃⠀⠀⣼⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⡇
⠀⠀⠀⠀⠀⠀⠀⢸⢹⠁⢸⢸⠀⢸⡆⡃⠂⡇⠀⠀⠀⠀⠀⠀⠀⢀⢸⠀⢸⡇⠀⣸⣾⠀⠀⢠⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⡇
⠀⠀⠀⠀⠀⠀⠀⢸⢸⡇⠘⢸⠀⢸⡇⡁⠀⣧⠀⠀⠀⠀⠀⠀⠀⠀⢸⢸⠀⢸⡇⠀⣿⣿⠀⠀⢘⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠃
⠀⠀⠀⠀⠀⠀⠀⠈⡇⠙⢻⣾⠀⢸⡇⣇⠀⣻⡆⢠⣄⣀⡀⠀⠀⠀⠀⢸⠀⢸⡇⠀⣿⡇⠀⣀⣸⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⢹⠠⠀⢸⡇⠸⠇⣿⠶⠉⢣⡀⠈⠉⠉⠉⠀⠀⠀⢸⠀⠸⠇⠀⣿⡁⠀⠀⣽⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀