Task: Program Execution
Input (English): F, s, l, e, y, 5871, 5237, G, 7345, f, A, 4797, 6919, s, 9955, G, y, 1793, M
Output (English): 6, 19, 12, 5, 25, 5871, 5237, 7, 7345, 6, 1, 4797, 6919, 19, 9955, 7, 25, 1793, 13