Task: Program Execution
Input (English): 9395, 4407, I, 8607, J, b, y, P, 9229, S, 4183, 8319, N, 5359, V, f, W, 579, 369, C, 1239
Output (English): 1, 2, 4, 9, 11, 12, 14, 18, 19, 21