Task: Program Execution
Input (English): 10, 13, ['M', 'C', '669', 'u', 'h', 'y', '7091', 't', 'c', 'K', '8505', '5957', 'D', 'u', 'h', '6705', '3247', 'O', 'Q']
Output (English): D, 5957, 8505, K