Task: Program Execution
Input (English): 7, 10, ['s', 'E', '8951', '5967', 'J', 'q', 'K', 'I', 'n', 'O', '5955', 'D', 'H', 'L', 'i', 'h', 'O', 'N', '4517', 'D', 'M', 'b']
Output (English): O, n, I, K