#include <stdio.h>

int funnnc(int c, long long i, long long &n)
{
  int m = i * i <= n && (i++ && ((n % i || (c++, n /= i--))));
  return (m ? funnnc(c, i, n) : c);
}

int main()
{
  long long i = 0, n = 0;
  i = scanf("%lld", &n);
  int a = funnnc(0, 1, n);
  printf(2<a+!!(n-1) ? "YES\n" : "NO\n");
}