Task: Program Execution
Input (English): U C R 1291 1609 X k Y 8101 6993 7771 927 q v i 3067 L n 3587 8687 g b B 295 4759 8717 5263 C 999 z 5887 W 1063 I J n 9203 P
Output (English): 4, 5, 9, 10, 11, 12, 16, 19, 20, 24, 25, 26, 27, 29, 31, 33, 37