Task: Program Execution
Input (English): 10, 14, ['2235', 'm', 'v', '1583', '4101', 'x', '7803', '8761', 'Z', 'e', 'B', 'U', '1407', 'C', 'Z', 'Z', '2383', '7517', '2171']
Output (English): C, 1407, U, B, e