Task: Program Execution
Input (English): 4803, F, C, l, f, 6905, 3865, 435, x, 4857, 9813, 1913, 9361, 1523, 1421, 5, 4869, z, H
Output (English): 1, 6, 7, 8, 10, 11, 12, 13, 14, 15, 16, 17