#include<bits/stdc++.h>
#define int long long
using namespace std;
int32_t main()
{
int t=1;
// cin>>t;
while(t--)
{
int n;
cin>>n;
if(n%2==0)
{
if(n==2)
cout<<"NO";
else
cout<<"YES";
}
else
cout<<"NO";
cout<<'\n';
}
return 0;
}
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