Всё работает в intellij но при сдаче ошибка, HELP!!!

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