#include<iostream>
using namespace std;
int prime(int a,int b)
{  int k;
   for(k=2;k<=a;k++)
   if((a%k==0)&&(b%k==0)) return 0;
   return 1;
   }
main()
{int P,Q;
ifstream f("fractii.in");
f>>N;
cout<<"n=";cin>>n;
for(P=1;P<=n;P++)
for(Q=1;Q<=n;Q++)
if (prime(i,j)) contor++;
f.close();
ofstream g("fractii.out");
g<<contor;
g.close();
system ("pause");
}