#include <iostream>
#include<fstream>
using namespace std;
ifstream f("fractii.in");
ofstream g("fractii.out");

int main()
{
    int N,i,j,nr=1;
    cin>>N;
    for(i=1;i<=N;i++)
    {
        for(j=1;j<=N;j++)
        {
            if((i==1||j==1)&&(i+j!=2)){nr++;}

            else if((i%j!=0&&j%i!=0)&&(i%2==1||j%2==1))
                {if(i%(i-j)==0&&j%(j-i)==0&&i+j>10&&i-j!=1&&i-j!=-1){}
                    else{nr++;}
                }
        }
    }
    cout<<nr;
}