Task: Program Execution
Input (English): 17, 21, ['C', '9891', 'y', 'j', '8075', 'z', '2875', 'Z', '6211', 't', '4297', '8051', '9339', '9997', 'h', '1169', 'c', '1373', 'r', '9239', 'H', 'N', 'u', '8739', 'h', '6877']
Output (English): H9329r3731c