Task: Program Execution
Input (English): 8501, w, 7133, 935, A, 2859, S, k, g, 5263, 367, z, 9065, L, 7469, 5827, x, Y, H, V, L, 7247
Output (English): 2, 5, 7, 8, 9, 12, 14, 17, 18, 19, 20, 21