Task: Program Execution
Input (English): f, 3395, 7945, f, D, h, Y, 4363, 2831, 3499, 9305, Q, b, 325, 1643, 2851, D, 839, T, w
Output (English): 1, 4, 5, 6, 7, 12, 13, 17, 19, 20