psx
1
1
1000 
1000
400
100
+80
1000
1000
400
100
+2
1000
1000
400
100
+3
1000
1000
400
100
+3
1000
1000
400
100
+4
1000
1000
400
100
+4
1000
1000
400
100
+16
1
1
1000
1000
400
100
+37