Not this again
5 l
15
1000 
1000
400
100
+52
1000
1000
400
100
+43
1000
1000
400
100
+39
1000
1000
400
100
+32
1000
1000
400
100
+70
1000
1000
400
100
+88
1000
1000
400
100
+128
