Task: Program Execution
Input (English): 8711, s, 6377, 4729, H, N, 1309, I, 7391, 8477, w, 743, 7097, 8811, r, P, 5489, 5951, 9015, 1185
Output (English): 1, 3, 4, 7, 9, 10, 12, 13, 14, 17, 18, 19, 20