Task: Program Execution
Input (English): 4, 6, ['8353', 'V', 'a', 'e', '2241', 'X', 'D', 'X', '4249', '6471', '6311', 'n', '4791', '7821', '823', '4629', '929', '5077', '7701', '2317', '6183', 'U']
Output (English): X1422e