#include <bits/stdc++.h>
using namespace std;


int main(){
	int m,n;
	cin>>m>>n;
	if(m == n){
		cout<<"Y"<<endl;
		cout<<m * n<<endl;
	}else{
		cout<<"N"<<endl;
		cout<<m * n<<endl;
	}
}
/**************************************************************
	Problem: 1655
	User: admin
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2072 kb
****************************************************************/