Untitled

#include <iostream>

using namespace std;
int main()
{
    setlocale(LC_ALL, "Russian");
    int a;
    cin >> a;
    if (a == 4 || a==1) {
        cout << "YES";
        return 0;
    }
    for (int i = 3; i < 30000; i++)
    {
        if ( ( (i * 4) - 4) == a) {
            cout << "YES";
            return 0;
        }
    }
    cout << "NO";
}