Co do?????
7 l
3
1000 
1000
400
100
+119
1000
1000
400
100
+53
1000
1000
400
100
+72
1000
1000
400
100
+35
1000
1000
400
100
+29
1000
1000
400
100
+17
1000
1000
400
100
+51
