➽ Problem:-

https://www.hackerrank.com/challenges/kangaroo/problem

➽ Solution:-

import java.util.*;

import java.io.*;

class Solution

{

    public static void main(String args[])

    {

        Scanner sc = new Scanner(System.in);

        int x1, x2, v1, v2;

        x1 = sc.nextInt();

        v1 = sc.nextInt();

        x2 = sc.nextInt();

        v2 = sc.nextInt();

   

        if(v1>v2 && (x2-x1) % (v1-v2) == 0)

            System.out.println("YES");

        else

            System.out.println("NO");

    }

}