Task: Program Execution
Input (English): 3, ['3969', '3777', 'Z', '7083', '1263', '4603', '2409', '6505', 'K', 'G', 'U', '6513', 'R', 'c', '3339', '2577', 'G', '7691', '2233', '2939', 'A', '2883', '4447', 'u', 'T', 'i', '7233', '9757', 'O', '9437']
Output (English): 3969, 3777, Z