Task: Program Execution
Input (English): 7675 b 2643 1487 e m 3117 r r E 2795 S c 9597 3215 n 1101 7469 n r 895 4097 5767 O d 2417 6385 x O N 3681 825 C 8221 d 5957 k L d
Output (English): 2, 5, 6, 8, 9, 10, 12, 13, 16, 19, 20, 24, 25, 28, 29, 30, 33, 35, 37, 38, 39