Task: Program Execution
Input (English): 18, 25, ['3857', '299', 'O', '3627', '3495', 'D', '87', 'M', 'J', 'P', '1853', '431', '3713', '2087', '2485', 'O', 's', 'J', '8723', '6627', '6163', '9019', 'Z', '1329', '6247', 'G', 'f', 'm', 'J', 'u']
Output (English): 62471329Z9019616366278723J