Task: Program Execution
Input (English): 13, 14, ['M', 'E', 'f', '7823', 'E', 'Q', 'a', '1877', 'b', 'h', '1971', 'I', 'k', 'h', 'X', 'q', 'U', 'd', 'N', 'x', '8027', '781', 'l']
Output (English): k, h