#include<bits/stdc++.h>
using namespace std;
int main(){
	int a,b,s;
	cin>>a>>b;
	if (a==b){
		s=a*b;
		cout<<"Y"<<endl<<s<<endl;
	}
	else {
		s=a*b;
		cout<<"N"<<endl<<s<<endl;
	}
	return 0;
}
/**************************************************************
	Problem: 1655
	User: xiaojingxuan
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2072 kb
****************************************************************/