24
8 3 4 10 11
12 0 0
5 0 0
19 0 0
17 0 0
5 3 8 3 9
8 1 5
11 1 18
13 1 12
5 1 6
3 2 7 2
400 3 13 16 17
100 0 800
400 0 1100
300 0 2300
800 0 1100
1000 2 14 15
3000 5 19 20 21 22 24
7000 0 12000
7000 0 18000
12000 0 25000
6000 1 23
3000 0 13000
11000 0 20000