Task: Program Execution
Input (English): 13, 19, ['J', 'h', '5487', 'Q', 'E', 'p', 'u', '7037', 'Z', 'G', '7729', '6585', 'y', 'a', '2801', 'W', 'c', '2613', 'x', 'f', '6303', 'p', 'v', '4505', '9045']
Output (English): x3162cW1082ay