Task: Program Execution
Input (English): 18, 22, ['S', '9355', '4473', '75', '4341', 'c', 'L', 'H', '2053', '4235', 'e', 'g', 'V', '4015', 'V', '517', '6753', 'x', '2991', 's', 'w', 'o', '6397']
Output (English): ows2991x