Друзья! Помогите, пожалуйста, почему не срабатывает?
package com.javarush.task.pro.task03.task0305;
import java.util.Scanner;
/*
Три числа
*/
public class Solution {
public static void main(String[] args) {
Scanner keyboard = new Scanner(System.in);
int a = keyboard.nextInt();
int b = keyboard.nextInt();
int c = keyboard.nextInt();
a = 4;
b = 6;
c = 7;
boolean equal2 = (a == b);
boolean equal3 = (b == c);
boolean equal4 = (a == c);
boolean equal5 = (a == b && b == c && a == c);
if (equal2)
{
System.out.println(a + " " + b);
}
else
{
System.out.println();
}
if (equal3)
{
System.out.println(b + " " + c);
}
else
{
System.out.println();
}
if (equal4)
{
System.out.println(a + " " + c);
}
else
{
System.out.println();
}
if (equal5)
{
System.out.println(a + b + c);
}
else
{
System.out.println();
}//напишите тут ваш код
}
}