Task: Program Execution
Input (English): d, 6841, h, m, I, 5361, 4803, F, 8775, 3075, B, w, 2067, z, G, 335, y, A, 1141, 2863, 5157, A, y
Output (English): 2, 6, 7, 9, 10, 13, 16, 19, 20, 21