Hackerrank Kangaroo

A solution in c++

#include<bits/stdc++.h>

using namespace std;

/// Typedef
typedef long long int ll;


//Int data type
#define sc1(a)              scanf("%d", &a)
#define sc2(a, b)           scanf("%d %d", &a, &b)
#define sc3(a, b, c)        scanf("%d %d %d", &a, &b, &c)
#define sc4(a, b, c, d)     scanf("%d %d %d %d", &a, &b, &c, &d)

//Long Data type
#define scl1(a)             scanf("%lld", &a)
#define scl2(a, b)          scanf("%lld %lld", &a, &b)
#define scl3(a, b, c)       scanf("%lld %lld %lld", &a, &b, &c)
#define scl4(a, b, c, d)    scanf("%lld %lld %lld %lld", &a, &b, &c, &d)


int main()
{
     ll i,j,n=0,m=0,a,b,c,d,e,t,k,ck=0,dk=0;

     scl4(n,m,a,b);

     for(i=n, j=a;i<100000000; i+=m,j+=b){
        if(i==j){
           cout<<"YES"<<endl;
           return 0;
        }
     }
     cout<<"NO"<<endl;
}