#include <iostream>
#include <fstream>
using namespace std;
ifstream f("fractii.in");
ofstream g("fractii.out");
int main()
{
    int n,i,j,cop1,cop2;
    long long nr=0;
    f>>n;
    for(i=1;i<=n;i++)
        for(j=1;j<=n;j++)
        if((i%2==0&&j%2==0)||(i%3==0&&j%3==0))
           cop1=0;
           else
            {
                cop1=i;
                cop2=j;
                while(cop1!=cop2)
                    if(cop1>cop2)
                        cop1-=cop2;
                            else
                                cop2-=cop1;
                if(cop1==1)
                nr++;
            }
    g<<nr;
}