Task: Program Execution
Input (English): 8023 9673 p P 8987 2385 4025 2241 7653 3349 T w 4855 u 9737 f R 5139 g 863 i 349 2137 9343 M 3689 4707 5197 5587 b P
Output (English): 3, 4, 11, 12, 14, 16, 17, 19, 21, 25, 30, 31