Task: Program Execution
Input (English): 5173, C, 7517, 1535, h, 7879, 8321, i, 3371, L, 2995, Q, t, 8861, S, r, 1223, e, 8887, 8783
Output (English): 2, 5, 8, 10, 12, 13, 15, 16, 18