#include<bits/stdc++.h> using namespace std; int main(){ int a; cin>>a; switch(a){ case 1:cout<<"NO"<<endl; break ; case 2:cout<<"YES"<<endl; break ; case 3:cout<<"NO"<<endl; break ; case 4:cout<<"YES"<<endl; break ; case 5:cout<<"NO"<<endl; break ; case 6:cout<<"YES"<<endl; break ; case 7:cout<<"YES"<<endl; break ; } return 0; }