#pragma GCC target("avx2")
#pragma GCC optimize("O3")
#pragma GCC optimize("unroll-loops")
#include<bits/stdc++.h>
#include<atcoder/all>
using namespace std;
using namespace atcoder;
using ll=long long;
using P=pair<ll,ll>;

void IO(){
  ios::sync_with_stdio(false);
  std::cin.tie(nullptr);
}

vector<pair<long long, long long> > prime_factorize(long long N) {
    vector<pair<long long, long long> > res;
    for (long long p = 2; p * p <= N; ++p) {
        if (N % p != 0) {
            continue;
        }
        int e = 0;
        while (N % p == 0) {
            ++e;
            N /= p;
        }
        res.emplace_back(p, e);
    }
    if (N != 1) {
        res.emplace_back(N, 1);
    }
    return res;
}

int main(){
  IO();
  ll n;
  cin>>n;
  vector<P> v=prime_factorize(n);
  if(v.size()<=2){
    cout<<"Yes"<<endl;
  }else{
    cout<<"No"<<endl;
  }
}