Task: Program Execution
Input (English): j U 1907 3211 2283 J 771 s C O I j 4345 j 7179 1389 M 6989 5635 G I P 5255 2047 7249 X B X j m u 913 699
Output (English): 1, 2, 6, 8, 9, 10, 11, 12, 14, 17, 20, 21, 22, 26, 27, 28, 29, 30, 31