diff --git a/task3.java b/task3.java
new file mode 100644
index 0000000..cdb5e0b
--- /dev/null
+++ b/task3.java
@@ -0,0 +1,77 @@
+
+import java.util.Scanner;
+public class task3 {
+    public static void main(String[] args) {
+        Scanner scanner = new Scanner(System.in);
+        int t=1;
+
+        while(true){
+
+            System.out.println("** Enter the number of your choice **\n 1.celsius to Fahrenheit\n 2.Fahrenheit to selsius \n 3.Exit");
+            int num=scanner.nextInt();
+
+
+            
+
+
+            if (num==1){
+            System.out.println("Enter the temperature : ");
+            int unit=scanner.nextInt();
+
+            System.out.println("\n"+unit+" in celsius equal ("+((unit * 9/5) + 32)+") in Fahrenheit");
+            }
+
+            else if (num==2){
+
+            System.out.println("Enter the temperature : ");
+            int unit=scanner.nextInt();
+            System.out.println("\n"+unit+" in Fahrenheit equal ("+((unit - 32) * 5/9)+") in celsius");
+            }
+
+            else if (num==3)
+            {
+                System.out.println("Thanks for using our system (:");
+                break;}
+
+            else
+            {System.out.println("please Enter 1 , 2 or 3 only");
+            continue;}
+
+            while(true){
+            System.out.println("______________________\n \n Do you want to convert something else ? \n 1.Yes\n 2.No");
+            int x=scanner.nextInt();
+
+            if (x==1){
+              t=0;
+              break;
+              }
+            else if (x==2){
+              System.out.println("Good bye");
+              break;}
+            else{
+              System.out.println("Please enter 1 or 2 only");
+              continue;
+            }
+            }
+            if (t==0)
+            continue;
+            break;
+
+
+        }
+
+
+
+
+
+
+
+        
+
+
+
+    }
+
+
+
+}