Task: Program Execution
Input (English): 4, ['6781', '6293', '2555', '7199', 'H', '3603', 'Y', '3307', 'v', 'd', '1111', '7293', '4593', '7923', '7543', '1233', 'C', 'q', 'D', '3813', 'V', '5521']
Output (English): 6781, 6293, 2555, 7199