Task: Program Execution
Input (English): 13, ['F', '967', '5097', '8029', '2873', '8543', 'i', '653', 'X', '7909', 'r', '871', '8591', '8589', 'K', 'Q', '7877', '7181', 'u', '5993', 'e', '3059', 'Q', 'U', 'Z', 'B', 'K']
Output (English): F, 8589, K