Task: Program Execution
Input (English): 4, ['O', 'F', 'W', '6015', '1339', 'O', '7963', 'C', '8719', 'u', '5575', 'X', '6519', '3583', 'K', 'E', 't', '7383', '1399', 'j', '241', '6621', '5041', '3975', 'Q', '7419', '8005', '3093', '997']
Output (English): O, F, W, 6015