Task: Program Execution
Input (English): 9, 21, ['W', 'J', '2095', 'w', '9229', '8629', 'v', '8733', 'a', '9171', '8971', 'c', 'v', '5951', '2381', '4557', 'l', 'o', '2397', '7717', 'l']
Output (English): l77172397ol455723815951vc89719171a