Task: Program Execution
Input (English): B, 3305, 9361, 9177, 2579, o, 899, q, 8311, t, P, H, 371, 2219, 3361, j, D, t, D, 441, C, o, I
Output (English): 2, 3, 4, 5, 7, 9, 13, 14, 15, 20