How to determine whether traingle is scalene, isoceles or equilateral in Java

import java.io.*;

public class q5

{

          public static void main(String args[]) throws Exception

          {

                   InputStreamReader in = new InputStreamReader(System.in);

         

                    BufferedReader br = new BufferedReader(in);

         

                    System.out.print("Enter side 1 : ");

         

                    int s1=Integer.parseInt(br.readLine());

         

                    System.out.print("Enter side 2 : ");

         

                    int s2=Integer.parseInt(br.readLine());

         

                    System.out.print("Enter side 3 : ");

         

                    int s3=Integer.parseInt(br.readLine());

                  

                   System.out.println("\n");

                  

                   if((s1==s2) && (s1==s3))

         

                             System.out.println("Triangle is equilateral");

              

                   else if((s1==s2)||(s2==s3)||(s1==s3))

         

                             System.out.println("Triangle is isosceles");

                   else

         

                             System.out.println("Triangle is scalene");

          }

}