Please tell me what's the problem in my code last condition is not verified

package com.codegym.task.task04.task0417; /* Do we have a pair? */ import java.io.*; public class Solution { public static void main(String[] args) throws Exception { //write your code here BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); int n1 = Integer.parseInt(reader.readLine()); int n2 = Integer.parseInt(reader.readLine()); int n3 = Integer.parseInt(reader.readLine()); if((n1 == n2) && (n1 == n3)) { System.out.println(n1 + " " + n2 + " " +n3); } else if (n1 == n2) { System.out.println(n1 + " " + n2); } else if(n2 == n3) { System.out.println(n2 + " " + n3); } else { System.out.println(n3 + " " + n1); } } public static boolean isPair(int n1 , int n2, int n3) { return((n1 == n2) || (n2 == n3) || (n3 == n1)); } }