Task: Program Execution
Input (English): 5, ['g', 'U', 'O', '3203', 'u', '4249', '5709', '1443', '3971', 'p', '7053', '7125', '5801', 'M', '7551', '6521', 'q', '9223', 's']
Output (English): g, 4249, 7053, 6521