#include<bits/stdc++.h>
using namespace std;
int a[100001]={0,1,1},n;
int main()
{
    cin>>n;
    for (int i=3;i<=n;i++)
    {
        a[i]=a[i-1]+a[i-2];
    }
    if (a[n]%3==0)
        cout<<"yes";
    else
        cout<<"no";
    return 0;
}