diff --git a/src/main/java/Unit3/U3_L3_Activity_Four.java b/src/main/java/Unit3/U3_L3_Activity_Four.java
new file mode 100644
index 0000000..ae38d0c
--- /dev/null
+++ b/src/main/java/Unit3/U3_L3_Activity_Four.java
@@ -0,0 +1,19 @@
+package Unit3;
+
+import java.util.Scanner;
+
+public class U3_L3_Activity_Four {
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+        System.out.println("What is the temperature?");
+        double temp = scanner.nextDouble();
+
+        if (!(temp >= 97.0 && temp <= 99.0)) {
+            System.out.println("NOT NORMAL");
+        } else {
+            System.out.println("Temperature is OK");
+        }
+
+        scanner.close();
+    }
+}