f

⠀⠀⠀⢀⠀⠀⠀⠀⠀⠀⠀⣀⣀⡤⠤⠤⠤⣄⣀⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⢴⠋⠙⠳⣤⡀⣠⠖⠋⠁⠀⠀⠀⠀⠀⠀⠀⠉⠓⠤⡀⣠⡴⠟⠛⣷⠀⠀
⠀⠀⠈⠳⢤⣀⢈⠟⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠘⢏⣀⣠⡴⠋⠀⠀
⢀⣠⣤⣄⣄⣉⡏⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⣇⣡⣤⡴⣦⣀
⢹⣅⡀⠀⠀⠈⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡏⠁⠀⢀⣠⠏
⠀⠈⠙⠉⢋⣉⣇⠀⠀⣾⣷⠄⠀⠀⠀⠀⠀⠀⠀⢴⣿⡆⠀⢀⣿⡙⠋⠋⠀⠀
⠀⠀⢤⠶⠋⠉⢈⣦⡀⠈⠉⠀⠀⠀⠉⠉⠉⠀⠀⠀⠉⠀⣠⣎⠈⠉⠛⢷⡀⠀
⠀⠀⠻⣤⣤⠶⠋⠀⠈⠑⠠⠄⣀⣀⣀⣀⣀⣀⡀⠤⠐⠉⠀⠈⠻⠶⠖⠶⠃⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⠃⠤⡀⠀⡠⠤⢱⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡎⠀⠉⠁⠀⠉⠉⠀⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡇⢀⠤⡀⠀⡠⢄⢀⠇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠘⠢⣀⣀⣀⣈⡠⠊⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡌⡇⠀⣎⠇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢡⡇⣸⠜⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠓⠉⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀




≽(◕ ᴗ ◕)≼


⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣀⣤⠴⠶⠶⠶⣤⣀⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣀⡴⣿⣽⡖⠂⠀⠀⠀⠀⠉⠙⠳⢦⣄⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣠⣾⣽⣾⠏⠀⠀⠀⠀⠀⠀⠻⢿⣯⣗⣤⣉⠻⣦⡀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣴⣿⡿⠟⠓⠾⣿⡀⠀⠀⠀⠄⠀⠘⢿⣟⢿⣿⣦⡌⡻⣦⡀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⣾⣿⡏⣴⣦⣤⣦⡊⣿⣦⣤⣀⣀⣀⠀⢈⣿⣾⣷⣽⣿⠶⠿⠇⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⣠⣿⣷⣿⣷⣼⠅⠁⣯⣡⣿⠶⠶⠾⣿⣿⣿⣿⡛⠉⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⢠⡾⠿⣯⣿⣿⣿⣿⣿⣿⣿⡿⣯⡄⡄⢀⠀⢉⡝⠿⣿⣦⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⣠⡟⠘⣾⣯⣽⡿⠿⠟⠛⠛⠛⠛⠻⢶⣅⡀⠀⣛⢻⣿⡺⣿⣷⣄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⣀⣙⣉⣿⠟⠉⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠙⠳⠶⠾⠿⣿⣿⣿⣿⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⢿⣟⣯⣭⣭⣽⠇⠀⠀⠀⢀⣤⡀⠀⠀⠀⠀⠀⠀⣠⣤⣀⠀⠀⠀⢻⡏⣭⣉⣉⣿⡷⠀⠀⠀⠀⠀⠀⠀
⠀⣠⠾⣫⣽⠆⡏⠀⠀⠀⠀⠰⣿⡇⠀⠀⠀⠀⠀⠐⢾⣿⠋⠀⠀⠀⠈⣇⠰⣮⡙⢶⣄⠀⠀⠀⠀⠀⠀⠀
⠘⠛⣿⣟⣩⡾⢧⠀⠀⠀⠀⠀⠀⠀⠀⢀⣀⣀⡀⠀⠀⠀⠀⠀⠀⠀⢀⡿⢦⣈⢻⡟⠟⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠻⠛⠉⠀⠘⢷⡀⠀⠀⠀⠀⠀⠈⠙⢿⠟⠙⠁⠀⠀⠀⠀⠀⣠⡾⠀⠀⠙⠻⡟⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠈⠙⢶⣤⣀⠀⠀⡀⠀⠀⠀⡀⢀⡀⢀⣔⣶⠾⠋⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣸⠉⠙⠛⠃⠀⠀⠀⠀⠘⠋⠉⠁⠙⣆⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⣼⠏⠀⠀⠀⠀⠀⠀⠀⠀⠀⣠⠆⠀⠀⠸⣆⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⣰⠇⠀⠀⢀⣄⠀⠀⠀⠀⢀⡾⠁⠀⠀⠀⠀⢹⡄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⣿⢀⣴⣴⣟⠀⠀⠀⠀⠀⣼⠀⠀⣀⣤⠖⠀⠀⢿⡀⠀⠀⠀⠀⠀⠀⠀⢀⣤⣄⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠘⠛⠛⠁⢸⣆⠀⠀⠀⠀⠈⠙⠛⠉⠀⠀⠀⠀⠀⠻⣶⣶⠚⠋⠙⠻⠾⠯⠁⢹⡇⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠹⣦⡀⠀⠀⠀⠀⠀⠀⠀⡇⠀⠀⠀⠀⠈⠿⠛⠛⠒⠒⢻⠀⣄⣸⡇⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠻⣦⡀⠀⠀⠀⠀⠀⢻⡀⠀⠀⢸⠆⠀⠀⠀⠀⣠⡟⢀⣼⠟⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠻⣷⠦⣤⡀⢸⡈⢷⡀⢀⡿⠀⠀⣀⣠⣾⣯⡶⠛⠁⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠙⢦⡀⢠⣰⡿⢶⣽⣿⣶⣾⣿⣿⡾⠟⠋⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠛⠋⠀⠀⠀⠉⠉⠉⠉⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⢀⡀⣀⠀⠀⣀⡀⣀⢀⢀⢀⣀⣀⢀⡀⠀⠀⡀⢀⢀⣀⡀⠀⠀⠤⣀⠄⠠⢠⡄⡠⠠⣄⡤⡀⠄⠠⠀⠄
⠀⠀⠀⠀⠛⠂⠃⠃⠓⠀⠐⠀⠚⠚⠓⠊⠁⠈⠂⠃⠛⠃⠃⠀⠀⠒⠘⠀⠒⠚⠊⠉⠑⠚⠛⠉⠁⠀⠀⠊