Task: Program Execution
Input (English): 6, ['O', 'G', '3949', 'r', '2521', 'F', 'O', '1509', '2923', '2461', '7479', '4963', '5991', 'I']
Output (English): O, 1509, 2923, 2461, 7479, 4963, 5991, I