где ошибка
package com.javarush.task.task04.task0417;
import java.io.BufferedReader;
import java.io.InputStreamReader;
/*
Существует ли пара?
*/
public class Solution {
public static void main(String[] args) throws Exception {
BufferedReader d = new BufferedReader(new InputStreamReader(System.in));
int a=Integer.parseInt(d.readLine());
int b =Integer.parseInt(d.readLine());
int c =Integer.parseInt(d.readLine());
if (a==b){
System.out.println(a+" "+ b);}
if(c== b){
System.out.println(c+" "+ b);}
if(a==c){
System.out.println(a+" "+ c);}
if((a==c)&&(c==b)&&(a==b)){
System.out.println(a+" "+ b+" "+ c);}
}
}