Task: Program Execution
Input (English): w g 8427 3835 D 9481 G B 8155 1753 m U i 5973 5753 p Z 8009 9145 8071 1551 w B F n
Output (English): 3, 4, 6, 9, 10, 14, 15, 18, 19, 20, 21