Task: Program Execution
Input (English): 4, ['f', 'x', 'H', '1019', '6967', 'H', '1435', '6465', '243', '2581', 'q', 'p', '2579', '6313', 'j', '3213', 'y', 'x', '6767', '5273', '6343', 'k', 's', 'U', '5549', 'K']
Output (English): f, 6967, 243, 2579, y, 6343, 5549