give a stone
5 l
3
1000 
1000
400
100
+83
1000
1000
400
100
+159
1000
1000
400
100
+48
1000
1000
400
100
+44
1000
1000
400
100
+65
1000
1000
400
100
+34
1000
1000
400
100
+27
1000
1000
400
100
+15