#include<iostream.h>
#include<math.h>
using namespace std;
int main()
{float n,p,q,c,i,j,k,m,ok;   int a[100],z,y;
cout<<"n=";
cin>>n;
k=0;
for(z=1;z<=100;z++)
{a[z]=0;}
for(i=1;i<=n;i++)
{
	for(j=i;j<=n;j++)
	{m==i/j;
	ok==1;
	for(y=2;y<=m/2;y++)
	{
		for(z=i;z<=100;z++)
		{ if(a[z]=m)
		ok==0;}
	}
	if(ok=1,k<=99) 
	{k==k+1;
	z==k;
	a[z]==m;
	}
c=p/q;
cout<<p<<"/"<<q<<k;
	}}
}