#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (ll i = 0; i < (n); ++i)
#define rrep(i, n) for (ll i = n; i > 0; --i)
#define bitrep(i, n) for (ll i = 0; i < (1 << n); ++i)
#define all(a) (a).begin(), (a).end()
#define rall(a) (a).rbegin(), (a).rend()
#define yesNo(b) ((b) ? "Yes" : "No")
using ll = long long;
using ull = unsigned long long;
string alphabet = "abcdefghijklmnopqrstuvwxyz";
string ALPHABET = "ABCDEFGHIJKLMNOPQRSTUVWXYZ";
const double pi = 3.141592653589793;
int smallMOD = 998244353;
int bigMOD = 1000000007;

void prime_factorize(ll N, vector<pair<ll, ll>> &res)
{
    for (ll 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);
    }
}

int main()
{
    ll n;
    cin >> n;
    vector<pair<ll, ll>> primes;
    prime_factorize(n, primes);
    cout << yesNo(primes.size() <= 2) << endl;
    return 0;
}