500 30 2 1 0 0 2 0 0 5 3 0 0 8 0 0 30 5 9 0 0 15 0 0 2 16 0 0 17 0 0



8

1 1 10
2 1 80
3 1 20
8 2 5
9 2 90
15 2 5
16 2 10
17 2 30


-10
-15