Task: Program Execution
Input (English): s, 2867, 7909, w, 1825, 8471, 6997, 1427, u, Y, 3353, O, g, J, 1933, 9993, T, L, m, U, 9407, 535
Output (English): 2, 3, 5, 6, 7, 8, 11, 15, 16, 21, 22