Task: Program Execution
Input (English): U 859 7291 L Q 4039 627 8623 9313 D 1137 X 1401 1423 M u i S 7917 o D 7535 7551 3269 8191 3317 R
Output (English): 2, 3, 6, 7, 8, 9, 11, 13, 14, 19, 22, 23, 24, 25, 26