Task: Program Execution
Input (English): c, W, 9815, X, q, 8309, 7153, G, 7877, 6843, E, 7631, 4251, 9299, y
Output (English): 3, 23, 9815, 24, 17, 8309, 7153, 7, 7877, 6843, 5, 7631, 4251, 9299, 25