Task: Program Execution
Input (English): 18, ['O', 'J', '4869', 'z', '3237', '7247', '119', 'G', '6449', '5231', 's', '9071', 'v', '9973', '4039', '6861', 'r', '6145', 'j', 'w', '9993', 'L', 'K', '7589', '4997', 'c', 'G', '879', 'o', 'Q', 'k', '4303', 'G', 'c', 'J', 'Q', 'k', 'y', '3603']
Output (English): O, j, k