Task: Program Execution
Input (English): 12, 18, ['G', 'X', 'O', '6263', '2531', 'R', '5997', 'x', 'g', '2355', '5187', '8825', '3639', 'U', 'W', 'A', '2701', '8021', 'r', 'c', 'j', 'Z', 'S', 'D', 'z']
Output (English): 88253639UWA27018021