3 Equal Numbers

package com.company;

import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int nm1 = Integer.parseInt(sc.nextLine());
        int nm2 = Integer.parseInt(sc.nextLine());
        int nm3 = Integer.parseInt(sc.nextLine());

        if (nm1 == nm2 && nm2==nm3) {
            System.out.println("yes");
        } else {
            System.out.println("no");
        }
    }
}