Why not work, help please.
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 {
InputStream inputStream = System.in;
Reader inputStreamReader = new InputStreamReader(inputStream);
BufferedReader bufferedReader = new BufferedReader(inputStreamReader);
String a = bufferedReader.readLine();
String b = bufferedReader.readLine();
String c = bufferedReader.readLine();
int a1 = Integer.parseInt(a);
int b1 = Integer.parseInt(b);
int c1 = Integer.parseInt(c);
pairs(a1,b1,c1);
//write your code here
}
public static void pairs(int a, int b, int c){
if (a == c){
if (a == b){
System.out.println(a);
System.out.println(b);
System.out.println(c);
}
else
{
System.out.println(a);
System.out.println(c);
}
}
else
{
if (a == b){
System.out.println(a);
System.out.println(b);
}
else
{
if (b == c){
System.out.println(c);
System.out.println(b);
}
else{
}
}
}
}
}