5 1
-1 1
-4 2
-5 1
7 0.5
0 1
-2 0.5
-2 2
-3 1
2 1
1 1
2 1
-2 2
-1 1
-2 0.25
5 2
0 1
-3 1
3 1
5 1
-1 1
-2 0.5
5 2
-5 1
2 1
-2 2
-2 1
2 0.5
-3 1
1 0.5
0 2
0 1
2 1
0 1
2 1
0 2
-9 1
10 0.25
-3 2
-2 1
-2 1
-1 1
-2 1
0 1
-2 1
