Task: Program Execution
Input (English): 13, 15, ['9393', '3117', 'B', 'J', '7517', 'l', '4869', 'T', '2373', 'm', 'x', '5967', 'W', 'L', '1153', 'r', 'f', 'l', '1675', 'f']
Output (English): WL1153