Task: Program Execution
Input (English): C, D, 6653, H, j, v, 4977, 627, 3577, 6297, 5743, F, 9551, 2359, F, 8853, P, 7625, S
Output (English): 3, 7, 8, 9, 10, 11, 13, 14, 16, 18