Task: Program Execution
Input (English): 7, 14, ['881', 'j', 'z', 'X', '1379', '567', 'm', '2333', 'I', 'R', 'F', '5217', '6873', 'W', 'n', '5373', '9583', 'U', 'P', 'h', '5167', '4439', 'U']
Output (English): W68735217FRI2333m