#include <bits/stdc++.h>
using namespace std;

int main() {
  long long n;
  cin >> n;

  map<long long, int> counts;

  for (long long i = 2; i * i <= n; i++) {
    while (n % i == 0) {
      counts[i]++;
      n /= i;
    }
  }

  if (n > 1) {
    counts[n]++;
  }

  cout << (counts.size() <= 2? "Yes" : "No") << '\n';
  return 0;
}