Task: Program Execution
Input (English): 7, ['Z', '5971', '9417', 'z', 'u', '2521', 'O', '1243', '2109', '6017', '9759', '9091', '2687', '7691', '5491', 'A', 'F']
Output (English): Z, 5971, 9417, z, u, 2521, O, 1243, 2109, 6017