Task: Program Execution
Input (English): 21, 25, ['8427', 'j', 'D', '6927', 'N', '9675', 'r', 'u', '1859', '3321', '8655', '7737', 'S', '2363', 'b', 'x', '89', '9745', '3313', 'o', '9215', '1877', 'o', 'C', 'f', 'T', '2869', 'F']
Output (English): 92151877oCf