#include <iostream>
#include <fstream>
using namespace std;
ifstream f("lacate.in");
ofstream g("lacate.out");
int p[256][1000],n,c,l,i,j,k;
int main()
{
 f>>n;
    c=n-1;
    l=n*(n-1)/2;
    g<<l<<" "<<c<<"\n";
    for(i=0;i<n-1;i++)for(j=i+1;j<n;j++,k++)
    {
        p[i][k]=1;
        p[j][k]=1;
    }
    for(i=0;i<n;i++)
    {
        for(j=0;j<l;j++)if(p[i][j]==1)g<<j+1<<" ";
        g<<"\n";
    }
return 0;
}