Task: Program Execution
Input (English): 19, 26, ['R', 's', '3999', 'r', '6343', 'H', 'R', 'q', 'f', 'G', 'E', 'L', 'p', 'm', '7755', 'F', '3349', 's', '6989', '685', '5853', '265', 'a', '9345', 'r', 'x', '295']
Output (English): xr9345a26558536856989