#include<iostream>
#include<algorithm>
#define int long long
using namespace std;
signed main(){
	int t;
	cin>>t;
	while(t -- ){
		int n,m;
		cin>>n>>m;
		if(__gcd(n,m)==1){
			cout<<"N\n";
		}else{
			cout<<"Y\n";
		}
	}
	return 0;
}