#include <bits/stdc++.h>
using namespace std;
using ll=long long;
#define rep(i,n) for (int i = 0; i < (n); ++i)

vector<pair<ll,ll>> soinsuu(ll x){
    vector<pair<ll,ll>> res;
    for(ll i=2;i<=sqrt(x);i++){
        if(x%i==0){
            res.emplace_back(i,1LL);
            x/=i;
        }
        while (x%i==0)
        {
            res.back().second++;
            x/=i;
        }
    }
    if(x!=1)res.emplace_back(x,1);
    return res;
}

int main(){
    ll n;cin>>n;
    cout<<(soinsuu(n).size()<=2?"Yes":"No")<<endl;
}