Happy day
12
1000 
1000
400
100
+105
1
1000
1000
400
100
+39
1000
1000
400
100
+55
1000
1000
400
100
+90
1000
1000
400
100
+59
1000
1000
400
100
+134
1
1000
1000
400
100
+214
1000
1000
400
100
+347
