Task: Program Execution
Input (English): C 8253 1519 6593 9141 5989 j x o 3075 1545 4067 9409 5301 6287 R 2067 8987 8629 N c z u x 9729 X 6847 5805 U 5215
Output (English): 1, 7, 8, 9, 16, 20, 21, 22, 23, 24, 26, 29