Task: Program Execution
Input (English): 4, 5, ['L', '8869', 'M', '4769', 'l', 'S', 'W', 'H', 'k', '4391', 'l', '4277', '3979', 'f', '525', '8123', '7369', 'E', 'M', 'o', 't']
Output (English): 4769, k, f, M