#include using namespace std; bool isPrime(int n) { if (n < 2) { return false; } if (n == 2) { return true; } for (int i = 2; i < n; i++) { if (n % i == 0) { return false; } } return true; } int main() { long long int n = 0; cin >> n; vector a = {2, 3, 5, 7}; int i = 0; if (isPrime(n)) { cout << "No" << endl; } else { //bool flag = 0; while (n>1) { if(i==4 && n>1){ break; } if (n % a[i] != 0) { i++; } else { n /= a[i]; } } if(n==1){ cout << "Yes" << endl; } else{ cout << "No" << endl; } } }