diff --git a/main.js b/main.js
index e98b0914..f94e0e46 100644
--- a/main.js
+++ b/main.js
@@ -13,6 +13,34 @@ const rl = readline.createInterface({
 
 // the function that will be called by the unit test below
 const rockPaperScissors = (hand1, hand2) => {
+  hand1 = hand1.trim().toLowerCase()
+
+hand2 = hand2.trim().toLowerCase()
+
+
+  if(hand1 === hand2) {
+    return "It's a tie!"
+  }
+
+  if(hand1 === "rock" && hand2 === "paper"){
+    return "Hand two wins!"
+  }
+
+  if(hand1 === "rock" && hand2 === "scissors"){
+    return "Hand one wins!"
+  }
+
+  if(hand1 === "scissors" && hand2 === "rock"){
+    return "Hand two wins!"
+  }
+
+  if(hand1 === "paper" && hand2 === "rock"){
+    return "Hand one wins!"
+  }
+
+  if(hand1 === "paper" && hand2 === "scissors"){
+    return "Hand two wins!"
+  }
 
   // Write code here
   // Use the unit test to see what is expected