Task: Program Execution
Input (English): 1, 11, ['U', 'w', 'Q', '4953', 'H', '1619', 's', '1203', 'R', 'J', 'C', 'x', 'm', 'I', 'i', 'a', 'c']
Output (English): CJR3021s9161H3594QwU