#include<stdio.h>

void main(){
	int a,b;
	int x;
	scanf("%d%d",&a,&b);
	
	if(a==b){
		x=a*b;
		printf("%s\n","Y");
		printf("%d\n",x);
	}else{
		x=a*b;
		printf("%s\n","N");
		printf("%d\n",x);
	}
}
/**************************************************************
	Problem: 1655
	User: admin
	Language: C
	Result: Accepted
	Time:10 ms
	Memory:1144 kb
****************************************************************/