#include <bits/stdc++.h>
using namespace std;
ifstream f("lacate.in");
ofstream g("lacate.out");
const int NMAX=256;
vector <int>v[NMAX+5];
int main()
{
    int n, i, j;
    f>>n;
    g<<(n*(n-1))/2<<" ";
    g<<n-1<<"\n";
    int val=0;
    for(i=1; i<=n-1; i++)
    {
        for(j=i+1; j<=n; j++)
        {
            val++;
            v[j].push_back(val);
            v[i].push_back(val);
        }
    }
    for(i=1; i<=n; i++)
    {
        for(j=0; j<v[i].size(); j++)
            g<<v[i][j]<<" " ;
        g<<"\n";
    }
    return 0;
}