Не понимаю
package com.javarush.task.pro.task03.task0305;
import java.util.Scanner;
/*
Три числа
*/
public class Solution {
public static void main(String[] args) {
Scanner scan = new Scanner(System.in);
int n1 = scan.nextInt();
int n2 = scan.nextInt();
int n3 = scan.nextInt();
if (n1 == n2 || n1 == n3)
System.out.println(n1);
if (n2 == n1 || n2 == n3)
System.out.println(n2);
if (n3 == n1 || n3 == n2)
System.out.println(n3);
}
}