Do it
1
1
1000 
1000
400
100
+52
1000
1000
400
100
+149
1000
1000
400
100
+54
1000
1000
400
100
+247
1000
1000
400
100
+100
12
4
1000
1000
400
100
+119
1000
1000
400
100
+104
