Task: Program Execution
Input (English): 23, 25, ['x', 's', 'S', '61', '2411', '6683', 'L', 'a', 'c', '7723', 'K', 'J', 'P', 'c', '2197', '5955', 'J', 'N', '4757', 'g', '961', '5237', 'G', 'G', '3999', 'b', '4361', '3357']
Output (English): 3999GG