Task: Program Execution
Input (English): 8, ['5509', 'Z', 'O', '4753', 'q', 'Q', '6639', 'Q', 'y', 'q', '7327', 'p', '3867', 'x', 'H', 'x', 'Y']
Output (English): 5509, Z, O, 4753, q, Q, 6639, Q