Task: Program Execution
Input (English): 9031, F, b, l, 9829, f, 4957, 8631, P, D, 9415, G, p, 8977, 8215, z, g, f, 8933, V
Output (English): 2, 3, 4, 6, 9, 10, 12, 13, 16, 17, 18, 20