#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;
}

#include <iostream>
#include <algorithm> // 用于__gcd函数
using namespace std;

long long gcd(long long a, long long b) {
    while (b != 0) {
        long long temp = b;
        b = a % b;
        a = temp;
    }
    return a;
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    
    int T;
    cin >> T;
    
    while (T--) {
        long long A, B;
        cin >> A >> B;
        
        if (gcd(A, B) > 1) {
            cout << "Y\n";
        } else {
            cout << "N\n";
        }
    }
    
    return 0;