#include<iostream> // cin\cout\endl #include<cstdio> //scanf()\printf() #include<iomanip> #include<cmath> using namespace std; int main(){ int a; cin>>a; switch(a){ case 1: case 3: case 5: cout<<"NO"; break; case 2: case 4: case 6: case 7: cout<<"YES"; break; } return 0; }