we yao gao lan na ge dong dong









⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣀⣠⣤⣤⣤⣤⣤⣤⣤⣤⣤⣤⣄⣀⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣠⣤⣶⣾⣿⣿⡿⠟⠛⠛⠛⠛⠛⠻⠿⣿⣿⣿⣿⣿⣷⣶⣤⣀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣤⣶⣿⣿⣿⣿⠟⠋⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⠛⢿⣿⣿⣿⣿⣿⣿⣶⣤⣄⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⣠⣶⣿⣿⣿⣿⣿⠟⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠹⣿⣿⣿⣿⣿⣿⣿⣿⣷⡄⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⣼⡿⣿⣿⣿⣿⣿⠇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣹⣿⣿⣿⣿⣿⣿⣿⣿⣿⣆⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⣿⣿⣿⣿⣿⣿⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⢹⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⢻⣿⡟⣿⣿⣿⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢹⣿⣿⣿⣿⣿⣿⣿⣿⡟⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠘⢿⣼⡟⢻⣿⡇⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠘⠳⠆⠀⠀⠀⠹⣿⣿⣿⣿⣿⣿⡟⠁⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⢈⣻⣷⣾⣿⡇⠀⠀⠀⢀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣀⣀⣀⠀⠀⠀⢻⣿⣿⣿⡿⢋⡀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⣿⠉⠙⢿⣿⡇⠀⠀⠀⠈⢻⣿⣷⣶⣄⣠⠀⠀⠀⣀⣠⣾⣿⣿⡯⠉⠁⠀⠀⠀⢻⣿⣿⡿⠛⢿⡆⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⣟⠀⠘⢾⡿⠀⠀⠀⢀⣠⣤⣶⣿⣿⣿⠟⠀⠀⣿⣿⣿⣿⣿⣷⣦⣄⡀⠀⠀⠀⢸⣿⣯⠀⣶⡆⣿⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⣿⠈⠀⣼⠃⠀⠀⠘⠋⠁⣈⣹⣿⣿⠏⠀⠀⠀⣿⣿⣏⠀⣈⣁⣈⡝⠻⠿⡆⠀⠰⣿⣏⠈⣿⢷⡟⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⣿⠀⠰⡇⠀⠀⠀⠀⠀⠀⠁⠀⠀⠀⠀⠀⠀⠀⢸⣽⣿⣆⠀⠀⠀⠀⠀⠀⠁⠀⢸⣿⣿⡆⣏⣿⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⣿⠀⠀⢱⡀⠀⠀⠀⠀⠀⠀⠀⠀⣀⠀⠀⠀⠀⠀⠀⢿⣿⡄⠀⠀⠀⠀⠀⠀⠀⢸⣿⡟⣿⣿⡇⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠙⣄⠀⠀⣸⡄⠀⠀⠀⠀⠀⢀⡞⠁⣤⣤⣀⣠⣤⣀⣄⣸⣿⣦⡀⠀⠀⠀⠀⠀⢸⣿⣄⠟⣼⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠹⠷⠶⠻⡇⠀⠀⠀⠀⠀⠟⠀⠀⠀⠀⠉⠙⠿⠿⣿⠉⢀⡿⣷⡀⢸⣇⢰⠀⠸⣿⣡⡾⠃⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⡇⠀⠀⠀⠀⠀⣀⠀⠀⠀⠀⠐⠛⠀⠀⠁⠀⠀⢰⡟⢷⢸⣿⢀⠀⠀⣿⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠸⡇⠀⠀⠀⠀⣼⡿⠓⠶⠒⠛⠛⠉⠙⠛⠻⠻⠿⣿⡇⠀⢸⡟⠀⠀⣠⣿⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢘⡇⠒⠀⠀⠀⠈⠀⠀⠀⠀⠀⣶⠶⠶⠶⠶⠀⢀⣿⠁⢠⡾⠁⠀⣰⣿⠉⢇⠀⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢈⡷⠶⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠁⠀⠿⠃⢀⣴⡟⢹⡄⠘⣧⠀⠀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣠⠞⢁⡆⠀⠐⢢⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⠀⠒⠀⠀⣠⣴⣿⡟⣰⡿⣡⡄⠈⢣⡀⠀⠀⠀⠀⠀⠀
⠀⠀⠀⠀⠀⣀⣠⡤⠖⠒⠋⠁⠀⠘⣷⠀⠀⠀⠙⠦⣄⣀⣀⣀⣀⣀⣤⣶⣿⣦⣤⣴⣶⣿⡿⢋⣼⠟⢁⣿⠁⣠⣤⡉⠀⠀⠀⠀⠀⠀
⣠⠤⠔⠒⠚⠉⠁⠀⠀⠀⠀⠀⠀⠀⢹⡆⠀⠀⠀⠀⠉⠻⣿⣿⣿⣯⣥⣤⣤⣶⣿⣿⡿⠋⣠⡿⠁⠀⠀⠁⠲⢈⣿⣿⣷⣤⣄⠀⠀⠀
⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠙⢦⡀⠤⡄⠀⠀⠀⠀⠉⡻⢿⣧⣿⣿⡟⢋⣤⡾⠋⠀⠀⠀⠀⠘⠛⢺⣿⣿⣿⣿⣿⣷⣤⣤
⡀⠀⣀⣀⣀⣀⣀⣀⣀⠀⠀⠀⠀⠀⠀⠀⠀⠙⢦⣈⣳⣦⣤⣤⣿⣿⣿⠟⢋⣡⣶⣿⠋⢀⠀⠀⠀⡀⠀⠀⢀⡌⠘⣿⣿⣿⣿⣿⣿⣿