#line 1 "D.cpp"
// #pragma GCC target("avx2,avx512f,avx512vl,avx512bw,avx512dq,avx512cd,avx512vbmi,avx512vbmi2,avx512vpopcntdq,avx512bitalg,bmi,bmi2,lzcnt,popcnt")
// #pragma GCC optimize("Ofast")

#line 2 "/mnt/c/Users/tsigm/Documents/Cprogram/library/template.hpp"

#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using uint = unsigned int;
using ull = unsigned long long;
#define rep(i,n) for(int i=0;i<int(n);i++)
#define rep1(i,n) for(int i=1;i<=int(n);i++)
#define per(i,n) for(int i=int(n)-1;i>=0;i--)
#define per1(i,n) for(int i=int(n);i>0;i--)
#define all(c) c.begin(),c.end()
#define si(x) int(x.size())
#define pb push_back
#define eb emplace_back
#define fs first
#define sc second
template<class T> using V = vector<T>;
template<class T> using VV = vector<vector<T>>;
template<class T,class U> bool chmax(T& x, U y){
	if(x<y){ x=y; return true; }
	return false;
}
template<class T,class U> bool chmin(T& x, U y){
	if(y<x){ x=y; return true; }
	return false;
}
template<class T> void mkuni(V<T>& v){sort(all(v));v.erase(unique(all(v)),v.end());}
template<class T> int lwb(const V<T>& v, const T& a){return lower_bound(all(v),a) - v.begin();}
template<class T>
V<T> Vec(size_t a) {
    return V<T>(a);
}
template<class T, class... Ts>
auto Vec(size_t a, Ts... ts) {
  return V<decltype(Vec<T>(ts...))>(a, Vec<T>(ts...));
}
template<class S,class T> ostream& operator<<(ostream& o,const pair<S,T> &p){
	return o<<"("<<p.fs<<","<<p.sc<<")";
}
template<class T> ostream& operator<<(ostream& o,const vector<T> &vc){
	o<<"{";
	for(const T& v:vc) o<<v<<",";
	o<<"}";
	return o;
}
constexpr ll TEN(int n) { return (n == 0) ? 1 : 10 * TEN(n-1); }

#ifdef LOCAL
#define show(x) cerr << "LINE" << __LINE__ << " : " << #x << " = " << (x) << endl
void dmpr(ostream& os){os<<endl;}
template<class T,class... Args>
void dmpr(ostream&os,const T&t,const Args&... args){
	os<<t<<" ~ ";
	dmpr(os,args...);
}
#define shows(...) cerr << "LINE" << __LINE__ << " : ";dmpr(cerr,##__VA_ARGS__)
#define dump(x) cerr << "LINE" << __LINE__ << " : " << #x << " = {";  \
	for(auto v: x) cerr << v << ","; cerr << "}" << endl;
#else
#define show(x) void(0)
#define dump(x) void(0)
#define shows(...) void(0)
#endif

template<class D> D divFloor(D a, D b){
	return a / b - (((a ^ b) < 0 && a % b != 0) ? 1 : 0);
}
template<class D> D divCeil(D a, D b) {
	return a / b + (((a ^ b) > 0 && a % b != 0) ? 1 : 0);
}

/*
x       0  1  2  3  4  5  6  7  8  9
bsr(x) -1  0  1  1  2  2  2  2  3  3
最上位bit
*/
int bsr(int x){
	return x == 0 ? -1 : 31 ^ __builtin_clz(x);
}
int bsr(uint x){
	return x == 0 ? -1 : 31 ^ __builtin_clz(x);
}
int bsr(ll x){
	return x == 0 ? -1 : 63 ^ __builtin_clzll(x);
}
int bsr(ull x){
	return x == 0 ? -1 : 63 ^ __builtin_clzll(x);
}

/*
x       0  1  2  3  4  5  6  7  8  9
bsl(x) -1  0  1  0  2  0  1  0  3  0
最下位bit
*/
int bsl(int x){
	if(x==0) return -1;
	return __builtin_ctz(x);
}
int bsl(uint x){
	if(x==0) return -1;
	return __builtin_ctz(x);
}
int bsl(ll x){
	if(x==0) return -1;
	return __builtin_ctzll(x);
}
int bsl(ull x){
	if(x==0) return -1;
	return __builtin_ctzll(x);
}


template<class T>
T rnd(T l,T r){	//[l,r)
	using D = uniform_int_distribution<T>;
	static random_device rd;
	static mt19937 gen(rd());
	return D(l,r-1)(gen);
}
template<class T>
T rnd(T n){	//[0,n)
	return rnd(T(0),n);
}
#line 5 "D.cpp"
template<class T>
T gcd(T a,T b){
	a = abs(a), b = abs(b);
	if(b==0) return a;
	return gcd(b,a%b);
}
template<class T, class U>
T pow_mod(T x, U p, T mod){
	assert(p>=0);
	x %= mod;
	T a = 1 % mod;
	while(p){
		if(p&1) a = a*x%mod;
		x = x*x%mod;
		p >>= 1;
	}
	return a;
}
using ll = long long;
bool isprime(ll n){
	if(n<=1) return 0;
	if(n==2) return 1;
	if(n%2==0) return 0;
	ll d = n-1;
	while(d%2==0) d/=2;
	static const vector<ll> alist{2,3,5,7,11,13,17,19,23,29,31,37};
	for(ll a: alist){
		if(n<=a) break;
		ll t = d;
		ll y = pow_mod<__int128>(a,t,n);
		while(t!=n-1 && y!=1 && y!=n-1){
			y = __int128(y)*y%n;
			t<<=1;
		}
		if(y!=n-1 && t%2==0) return 0;
	}
	return 1;
}

ll f(ll x,ll n){ return (__int128(x)*x+1)%n;}
ll pollard_single(ll n){
	if(isprime(n)) return n;
	if(!(n&1)) return 2;
	ll i,x,y,p;
	for(i=1;;i++){
		x=i; y=f(x,n); p=gcd(y-x,n);
		while(p==1){
			x=f(x,n); y=f(f(y,n),n); p=gcd((y-x+n)%n,n)%n;
		}
		if(p==0 || p==n) continue;
		return p;
	}
	assert(0);
}

vector<ll> pollard(ll n){
	if(n==1) return {};
	ll x = pollard_single(n);
	if(x==n) return {x};
	vector<ll> le = pollard(x);
	vector<ll> ri = pollard(n/x);
	for(ll d: ri) le.push_back(d);
	return le;
}
vector<pair<ll,int>> pollard_map(ll n){
	auto v = pollard(n);
	map<ll,int> mp;
	for(ll p: v) mp[p]++;
	return vector<pair<ll,int>>(all(mp));
}

bool Awin(ll n){
	auto v = pollard_map(n);
	if(si(v) == 0){
		return false;
	}
	if(si(v) == 1){
		return v[0].sc%2 == 1;
	}
	if(si(v) == 2 && v[0].sc == 1 && v[1].sc == 1) return true;
	return false;
}
int main(){
	cin.tie(0);
	ios::sync_with_stdio(false);		//DON'T USE scanf/printf/puts !!
	cout << fixed << setprecision(20);

	ll n; cin >> n;
	cout << (Awin(n) ? 'Y' : 'N') << endl;
}