Echo
1 r
5
1000 
1000
400
100
+69
1
1000
1000
400
100
+33
1
1000
1000
400
100
+63
1000
1000
400
100
+54
1000
1000
400
100
+109
1000
1000
400
100
+49
1000
1000
400
100
+259
2
1000
1000
400
100
+97