#include<bits/stdc++.h>
using namespace std;
int main(){
	int n,a,b,c,d,e,f;
	cin>>n;
	a=n%10*100000;
	b=n/10%10*10000;
	c=n/100%10*1000;
	d=n/1000%10*100;
	e=n/10000%10*10;
	f=n/100000%10*1;
	if(n==(a+b+c+d+e+f)) cout<<"Y";
	else cout<<"N";
}
/**************************************************************
	Problem: 1629
	User: linzihang
	Language: C++
	Result: Accepted
	Time:9 ms
	Memory:2072 kb
****************************************************************/