#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;