Task: Program Execution
Input (English): 7101, 539, 9729, D, a, 4037, K, W, 3131, a, B, 8659, 8703, 3395, J, Y, d, 8707, 1069
Output (English): 1, 2, 3, 6, 9, 12, 13, 14, 18, 19