//
// Created by liuhao on 2024/7/28.
//
//      /##  /##             /##                               /######   /##   /##
//     | ## |__/            | ##                              /##__  ## | ##  | ##
//     | ##  /##  /##   /## | #######    /######    /######  |__/  \ ## | ##  | ##
//     | ## | ## | ##  | ## | ##__  ##  |____  ##  /##__  ##   /######/ | ########
//     | ## | ## | ##  | ## | ##  \ ##   /####### | ##  \ ##  /##____/  |_____  ##
//     | ## | ## | ##  | ## | ##  | ##  /##__  ## | ##  | ## | ##             | ##
//     | ## | ## |  ######/ | ##  | ## |  ####### |  ######/ | ########       | ##
//     |__/ |__/  \______/  |__/  |__/  \_______/  \______/  |________/       |__/
#include<bits/stdc++.h>
using namespace std;
#define PII pair<int,int>
#define fi first
#define se second
#define ios ios::sync_with_stdio(0),cin.tie(0),cout.tie(0)
#define int long long
#define endl '\n'
#define vii vector<vector<int>>
using ll = long long;
using f64 = long double;
ll p;
f64 invp;
void setmod(ll x) {
	p = x, invp = (f64) 1 / x;
}
ll mul(ll a, ll b) {
	ll z = a * invp * b + 0.5;
	ll res = a * b - z * p;
	return res + (res >> 63 & p);
}
ll pow(ll a, ll x, ll res = 1) {
	for (; x; x >>= 1, a = mul(a, a))
		if (x & 1) res = mul(res, a);
	return res;
}
bool checkprime(ll p) {
	if (p == 1) return 0;
	setmod(p);
	ll d = __builtin_ctzll(p - 1), s = (p - 1) >> d;
	for (ll a: {2, 3, 5, 7, 11, 13, 82, 373}) {
		if (a % p == 0) continue;
		ll x = pow(a, s), y;
		for (int i = 0; i < d; ++i, x = y) {
			y = mul(x, x);
			if (y == 1 && x != 1 && x != p - 1) return 0;
		}
		if (x != 1) return 0;
	}
	return 1;
}
ll rho(ll n) {
	if (!(n & 1)) return 2;
	static std::mt19937_64 gen((size_t) "hehezhou");
	ll x = 0, y = 0, prod = 1;
	auto f = [&](ll o) { return mul(o, o) + 1; };
	setmod(n);
	for (int t = 30, z = 0; t % 64 || std::gcd(prod, n) == 1; ++t) {
		if (x == y) x = ++z, y = f(x);
		if (ll q = mul(prod, x + n - y)) prod = q;
		x = f(x), y = f(f(y));
	}
	return std::gcd(prod, n);
}
std::vector<ll> factor(ll x) {
	std::vector<ll> res;
	auto f = [&](auto f, ll x) {
		if (x == 1) return;
		if (checkprime(x)) return res.push_back(x);
		ll y = rho(x);
		f(f, y), f(f, x / y);
	};
	f(f, x), sort(res.begin(), res.end());
	return res;
}
signed main() {
#ifdef Liuhao
	freopen("in.txt", "r", stdin);
#else
	ios;
#endif
	int n;
	cin >> n;
	vector<int>div;
	for(int i=1;i*i<=n;i++){
		if(n%i==0){
			div.push_back(i);
			if(n/i!=i)div.push_back(n/i);
		}
	}
	std::sort(div.begin(), div.end());
	int d=n;
	for(int i=1;i<div.size();i++){
		d=gcd(d,div[i]);
	}
	if(div.size()==2||div.size()==4||d!=1&&d%2==0)cout<<"Y"<<endl;
	else cout<<"N"<<endl;
	return 0;
}