Task: Program Execution
Input (English): 12, 20, ['U', '7137', '6321', '3917', '3191', 'V', '9187', '4767', 'q', '6027', 'x', 'y', 't', 'J', 'X', '2755', '8833', '1377', 'D', 'P', 'G', '125', '5307']
Output (English): PD773133885572XJty