#include<bits/stdc++.h>
using namespace std;
int main(){
	long long a,b,c,d,x,y;
	cin>>a>>b>>c>>d>>x>>y;
	int disa=abs(c-a);
	int disb=abs(d-b);
	if(disa%x||disb%y){
		cout<<"NO";
	}else{
		cout<<"YES";
	}
	return 0;
}

求 hack 数据