Task: Program Execution
Input (English): Y D 9175 f i 8739 r 2175 1605 6357 1499 7237 6413 957 8919 3097 37 9779 x y I 7693 v D U 7901 r f 7339 s 4157 6605
Output (English): 25, 4, 9175, 6, 9, 8739, 18, 2175, 1605, 6357, 1499, 7237, 6413, 957, 8919, 3097, 37, 9779, 24, 25, 9, 7693, 22, 4, 21, 7901, 18, 6, 7339, 19, 4157, 6605