Task: Program Execution
Input (English): 4, 13, ['a', '9051', '5787', 'L', '861', '7657', '5549', '1455', '6229', 'B', '8393', '2005', 'Z', '6041', 'p', '2853', 'R', '3133', '21', 'c', '4075', 'A']
Output (English): Z50023938B9226554194557567168L