diff --git a/logicalproblem01.cpp b/logicalproblem01.cpp
index 6ac384d..95bd7ea 100644
--- a/logicalproblem01.cpp
+++ b/logicalproblem01.cpp
@@ -22,8 +22,8 @@ int main()
         cin >> a >> b;
 
 //complete the code
-
-
+        if( (b-a)%2 == 0) cout << "YES";
+        else cout << "NO";
     }
     return 0;
 }
\ No newline at end of file