50
0 10
1 1000
2 5
3 1000
4 5
5 1000
6 5
7 1000
8 5
9 1000
10 5
11 1000
12 5
13 1000
14 5
15 1000
16 5
17 1000
18 5
19 1000
20 5
21 1000
22 5
23 1000
24 5
25 1000
26 5
27 1000
28 5
29 1000
30 5
31 1000
32 5
33 1000
34 5
35 1000
36 5
37 1000
38 5
39 1000
40 5
41 1000
42 5
43 1000
44 5
45 1000
46 9
45 0
23 1
1 0
