Task: Program Execution
Input (English): 9657 O 9445 C w 3143 1973 9877 1803 y I R 939 6963 N P n A 1729 8177 2283 G F y f 6871 6509 o 5093 7997 G
Output (English): 2, 4, 5, 10, 11, 12, 15, 16, 17, 18, 22, 23, 24, 25, 28, 31