Task: Program Execution
Input (English): 4, ['W', 'X', 'e', 'h', '8721', '8259', 'X', 'R', 'm', 'R', '2687', '4847', '4147', 'U', 'Y', '7755', 'M', 'Y', 'C', '9571', '109']
Output (English): W, 8721, m, 4147, M, 109