Task: Program Execution
Input (English): 6, ['2669', '3129', '347', 'h', 'W', '1515', '7669', '1465', '9307', 'c', 'P', '413', 'h', '4909', 'e', 'e', '3211', 'J', '5687', 'p', 'w', '2591', '2417', '9531', 'z']
Output (English): 2669, 7669, h, 5687, z