Task: Program Execution
Input (English): y, 4265, 7595, 5439, 2961, 9599, 7569, a, y, l, t, b, f, n, j, 2447, 315, l, 571, w, p, 9887, i, p
Output (English): a, b, f, i, j, l, n, p, t, w, y