diff --git a/karprekar.java b/karprekar.java
new file mode 100644
index 0000000..eee7b30
--- /dev/null
+++ b/karprekar.java
@@ -0,0 +1,28 @@
+import java.util.*;
+class Karprekar
+{
+  public static void main(String[] args)
+  {
+    Scanner sc=new Scanner(System.in);
+    int n=sc.nextInt();
+    int sq=n*n , digit=0;
+    
+    while(sq !=0)
+    {
+      digit++;
+      sq/=10;
+    }
+    
+    sq=n*n;
+   
+      int eq_parts = (int) Math.pow(10, digit/2); 
+    
+       int sum = sq/eq_parts + sq % eq_parts; 
+        
+        if(sum == n)
+        System.out.println("Kaprekar Number");
+        
+        else
+        System.out.println("Not kaprekar number");
+   }
+}