diff --git a/AliceAndBobEngine.java b/AliceAndBobEngine.java
index 0c0006e..bc98afa 100644
--- a/AliceAndBobEngine.java
+++ b/AliceAndBobEngine.java
@@ -16,6 +16,15 @@ public class AliceAndBobEngine
     //HINT: LOOK AT THE TESTS TO SEE WHAT IS EXPECTED FOR DIFFERENT CONDITIONS
     public String evaluateAliceOrBob(String input)
     {
+    if ("Alice".equals (input)){
+        return "Hello Alice";
+    } else if ("Bob".equals (input)){
+        return "Hello Bob";
+    } else if (!"Alice".equals (input)) {
+        return "I DON'T KNOW YOU, YOU ARE SCARY";
+    } else if (!"Bob".equals(input)) {
+        return "I DON'T KNOW YOU, YOU ARE SCARY";
+    }
     
         return result;
     }