Task: Program Execution
Input (English): 12, 18, ['l', 'a', '6857', '4371', 'f', '8933', '7827', '8495', 'F', 'G', 'p', 'u', 'T', '7047', 'w', '8951', 'H', '559', '4159', 'n', '2833', 'f', '9425', '1631', '7347', '3667']
Output (English): 559H8951w7047Tu