评测记录

#include<bits/stdc++.h>
using namespace std;
int icf(int a,int b,int c){
	return (a%c==0&&b%c==0)?c:icf(a,b,c-1);
}
int main(){
	int tx,ty,lx,ly,n;
	cin>>n;
	for(int i=0;i<n;i++){
		cin>>lx>>ly>>tx>>ty;
		if(icf(abs(tx-lx),abs(ty-ly),min(abs(tx-lx),abs(ty-ly)))==1){
			cout<<"no\n";
		}
		else{
			cout<<"yes\n";
		}
	}
	return 0;
}