Task: Program Execution
Input (English): 4, 10, ['x', '2737', '6569', 'O', 'e', 'J', '5369', 'W', 'Y', 'l', '7785', '8587', 'v', 'g', 'x', 's', '8753', 'o', 'I', '8653', 'L', '5169', '5651', 'u', 't']
Output (English): O, e, J, 5369, W, Y, l