⠀⠀⠀⠀⠀⠀⢀⣠⣴⣿⡿⠿⡏⣶⣤⠄⡀⠀⠀ ⠀⠀⠀⠀⠀⣰⣿⡟⡵⠉⠁⠀⠀⠀⠀⠈⢿⣦⠀ ⠀⠀⠀⠀⢰⣿⣃⠏⠀⠀⠀⠀⠀⠀⠀⠀⠀⢻⡂ ⠀⠀⠀⠀⣾⣿⣧⣱⣂⡀⠀⠀⠀⠀⣀⣀⡀⠸⡇ ⠀⠀⠀⠀⣽⣿⢺⠿⣉⣋⠲⡀⠀⡀⣀⣀⠙⠐⡿ ⠀⠀⠀⠀⣘⣿⢏⡯⠩⠭⠉⠃⠀⠁⠉⠀⠈⠀⢷ ⠀⠀⠀⠀⢕⠾⣯⡀⠀⠀⡌⠀⠀⠀⢄⠀⠀⠠⠂ ⠀⠀⠀⠀⠀⠚⢽⠐⣴⣢⣯⣯⣝⣋⣀⢀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠈⣇⣧⣟⣿⣭⣍⣻⠙⡇⠀⠄⠀ ⠀⠀⠀⠀⠀⠀⠀⠈⣿⣞⡿⠹⣚⣃⢠⡼⡪⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠈⣿⢷⠚⢀⠭⢛⡯⠊⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⣀⡹⣝⡧⣌⡼⡧⠀⠀🇻🇳⠀⠀ ⡠⠤⡀⠀⠀⠀⣰⠿⠉⢒⣭⢸⠿⣇Tác giả:⠀⠀⠀ ⠙⠋⠁⠀⠀⠀⠁⠀⠀⠀⠛⠛⠓⠈Vũ Trần Chủ tịch Hồ Chí Minh ⠀⠀⠀⠀⠀

⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣀⣀⣠⣠⣠⣀⣀⡀⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣠⣴⣾⣿⣿⣿⣿⣿⣿⣟⣿⡳⡿⡳⣶⢄⣄⣀⢀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢀⣠⣶⣿⣿⣿⣿⣫⣿⣫⡟⣶⠺⡭⡿⣾⡝⢗⣟⢻⡿⢳⣏⠾⠡⣄⣀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣠⣶⣿⣿⣿⡿⣿⠿⣽⠾⠣⠟⠞⠁⠀⠉⠁⠁⠓⠒⠁⠃⠔⠁⠛⠾⢿⣵⣊⢳⣄⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⡔⣵⣿⣿⣿⣿⣵⣯⠚⠈⠀⠒⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⣽⢻⣷⣾⡆⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠠⣥⣾⣿⣿⣿⣟⣧⠝⣎⠣⠀⠂⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠉⢿⣷⣾⣮⢄⡀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⢪⣿⣯⣿⣟⣣⢞⣢⢙⠐⠂⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢙⣿⣻⡵⣂⡀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠔⠦⣿⣿⣷⢿⡳⣉⠷⣀⠆⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠺⢿⣷⡌⠘⠄⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣸⡼⣿⣿⣟⣯⡷⣉⠞⣔⠡⠂⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠘⢾⣿⠳⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢣⣴⢿⣿⡷⣷⡿⠴⢃⡇⠤⢁⠄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢹⣿⣗⠄⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢽⣾⣼⣿⣿⣿⣯⡝⣚⠤⢓⣁⢀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣀⣄⡄⠀⠀⠈⣜⣿⣿⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢰⡿⣿⣿⣿⣿⡿⢧⡽⣱⣽⣿⣿⣿⣿⣷⣦⣤⡤⠀⠀⠀⠀⠀⠀⠀⠀⠰⠶⠟⢿⠿⠡⠾⣣⡄⠀⠈⢾⣿⣮⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠻⣿⣿⣿⣿⣟⣭⡟⣿⣿⡿⡻⠋⠉⠭⡊⣯⡔⡄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠚⢿⡀⠈⢻⣿⣷⠁⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣶⡿⣽⣿⣯⣯⢽⢻⣻⡑⢀⢀⠀⣀⣀⣀⣈⠹⢷⡂⠀⠀⠀⠀⢰⠂⠀⣠⣤⣤⣄⡀⠀⠀⠀⠀⠀⠸⣿⠩⡂⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢻⢻⢿⣿⣿⡟⣿⡗⣵⣫⣾⣾⡻⡿⡿⢻⢿⣖⣿⡟⠀⠀⠀⠀⠿⢞⡿⡏⠟⠟⠛⠛⠓⡦⠄⠀⠀⠀⢻⠀⠁⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣮⡞⠸⣿⣟⣯⠿⣼⣞⡿⢁⡶⡁⠀⠀⠀⣀⠀⣽⠈⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠂⠀⠀⠀⠀⠀⢐⡼⢰⡀⠁ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣿⢣⣖⢏⣿⣷⢣⢥⢮⠈⠙⠉⠉⠙⠉⠉⠀⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣰⠯⣜⡃⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣿⡈⢿⣈⣿⣿⣭⣅⠆⠀⠀⠀⠀⠀⠀⠀⠀⠀⠒⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠐⢡⠌⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢱⢉⢀⡿⣿⣿⢷⡶⠱⠀⠀⠀⠀⠀⠀⠀⢀⣾⡁⠉⠀⠀⠀⠀⠀⠀⠰⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢸⠈⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢇⠀⠫⡍⣿⣿⣵⠓⡅⡀⠀⠀⠀⠀⠴⣿⡆⡀⠀⢀⠀⠀⠀⠀⡀⠀⠈⢷⡀⠀⠀⠀⠀⠀⠀⠀⠣⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⢦⣡⣧⢻⣟⣷⡙⣬⠐⡤⡀⢄⠾⢁⢹⠿⢛⢻⠳⣾⠶⢶⡿⠻⠛⠀⠀⠙⠀⠀⠀⠀⠀⠀⠀⠀⠑⠄⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠁⠀⣿⢧⠜⠠⠹⣄⡟⡸⣠⢾⣷⣳⢫⢱⡿⣆⣰⣌⡎⡴⠀⠀⠀⢀⠀⠀⠀⠀⠀⠀⠀⡇⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢹⣇⠉⠂⢣⠘⡿⣼⣽⣿⣾⣿⣿⣿⣻⣟⣻⣟⣶⣷⣟⣻⣏⡆⡈⠂⠀⠀⠀⠀⢸⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⣿⠦⡑⣂⡏⣾⣻⣿⣿⣿⣿⣻⡟⠿⠿⠟⠻⣏⣝⠟⠋⢹⣷⣇⡆⠃⠀⠀⠀⠈⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠘⣿⣶⣶⠱⣿⡿⣟⣭⣿⣾⣩⣛⣗⣫⣓⣉⣵⡴⣆⡁⣡⡺⣉⠀⠘⡀⠀⣰⠁⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⢷⣧⢚⣾⣟⡾⣾⢿⣿⣿⡿⢛⡽⠘⡏⢙⠷⠋⠀⠊⡽⡁⡐⡕⢃⠔⣃⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠻⣟⣿⣿⣾⣞⣿⣯⠭⠸⡯⡂⡿⠛⣠⠋⠀⠀⢀⢞⠰⡦⡞⠁⢰⠃⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⢠⣿⣿⣿⣿⣾⣽⡷⡃⠸⠁⢏⠇⡄⣷⣤⢠⡤⡗⣼⣼⡍⡆⡢⠃⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⣼⣿⣿⣿⡿⡝⣾⢸⠠⠈⢈⠘⡆⢁⣯⡟⠍⣾⣷⣷⢣⡯⠋⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣸⣿⡿⣹⣷⢟⣠⠏⠄⠀⠁⠖⡕⢩⣯⡵⠚⣿⣯⠞⠉⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡀⠸⢻⣽⠗⣷⣝⢯⡆⡁⠰⡘⡅⠟⣨⣿⢼⡡⠋⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⣰⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠠⠂⠈⢠⠒⡽⢳⣽⢹⡸⣮⡇⢰⡀⢡⠳⣂⣷⣏⡏⠃⠈⠄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠇⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⡀⠐⠸⠀⠀⠘⢿⠢⣷⣼⢰⠢⡣⢺⢴⡇⡟⣧⡷⣠⠀⠀⠀⠀⠀⠀⠀⠠⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠐⠀⢢⣾⣶⣾⣥⣼⡑⣯⢿⡅⣧⠗⣷⡿⢗⡻⣾⣟⠈⠘⠐⠀⠀⠀⢀⠔⠁⠀⠀⠀⠀⠀⠀⠀ ⠀⢀⣀⣀⡀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠐⢀⢠⣿⣿⡿⠀⠓⡯⢲⣘⠓⡇⠟⠀⣭⣾⡺⢻⡽⡃⠄⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⣴⡿⣛⣛⢽⣦⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⣐⣴⣿⡿⢿⠁⠀⠈⠊⠍⢮⠤⣿⢯⡸⣽⣥⠮⣷⣻⣭⡀⠀⢠⠐⠐⠀⠈⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⢿⡷⠯⡸⢾⡿⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠻⠟⠉⠀⠀⠀⠀⠀⠀⣀⠌⢸⣿⡫⠭⣿⣷⠗⢛⡍⡯⡳⣉⠀⠈⠂⡀⠂⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠈⠛⠿⠿⠛⠁⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠁⠁⠀⠀⠀⠀⠀⠀⠀⠁⠀⠉⠻⢷⢾⠟⠁⠁⠋⠁⠀⠠⠁⠀⠂⢀⡸⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀ ⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠈⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀⠀