#include<bits/stdc++.h>
using namespace std;
int main()
{
    int a,b;
    cin>>a>>b;
    if(a==b){
        cout<<"Y"<<endl;
        cout<<a*b<<endl;
    }
    else{
        cout<<"N"<<endl;
        cout<<a*b<<endl;
    }
    return 0;
}