Task: Program Execution
Input (English): 4731 q K 403 9417 D e I 4935 5149 z 5499 T F 5463 3267 K 1603 n B 5085 7509 4441 4775 239 c n F g M 8769 5767 k b 5715 f p K
Output (English): 2, 3, 6, 7, 8, 11, 13, 14, 17, 19, 20, 26, 27, 28, 29, 30, 33, 34, 36, 37, 38