hmmm
2
2
1000 
1000
400
100
+90
1000
1000
400
100
+28
1
1000
1000
400
100
+164
1
1000
1000
400
100
+103
1000
1000
400
100
+86
1
1000
1000
400
100
+120
1000
1000
400
100
+66
1000
1000
400
100
+41