Task: Program Execution
Input (English): 4087 2681 8821 5757 5523 8175 9977 U b 7545 8289 387 p 3345 c W Z 1759 K y v z V k g A p 3025 8679 r y 6915 8611 7815 5979 n
Output (English): 8, 9, 13, 15, 16, 17, 19, 20, 21, 22, 23, 24, 25, 26, 27, 30, 31, 36