Task: Program Execution
Input (English): 3499, v, 5447, U, 7765, b, 5447, V, f, 4783, W, F, 4449, 5961, f, r, y, O, f, 8643, 5735, 9157, p
Output (English): 3499, 22, 5447, 21, 7765, 2, 5447, 22, 6, 4783, 23, 6, 4449, 5961, 6, 18, 25, 15, 6, 8643, 5735, 9157, 16