#include<bits/stdc++.h> using namespace std; int main(){ int a; cin>>a; switch(a){ case1:cout<<"NO"<<endl; break ; case2:cout<<"YES"<<endl; break ; case3:cout<<"NO"<<endl; break ; case4:cout<<"YES"<<endl; break ; case5:cout<<"NO"<<endl; break ; case6:cout<<"YES"<<endl; break ; case7:cout<<"YES"<<endl; break ; } return 0; }