#include <bits/stdc++.h>
using namespace std;
ifstream fin("combinari.in");
ofstream fout("combinari.out");
int n, k, stiva[20];
bool viz[20];
bool Ok(int i, int p)
{
    return viz[i] == false && i > stiva[p];
}
void Back(int p)
{
    if (p == k + 1)
    {
        for (int i = 1; i <= k; ++i)
        {
            fout << stiva[i] << " ";
        }
        fout << "\n";
        return;
    }
    for (int i = 1; i <= n; ++i)
    {
        if (Ok(i, p - 1))
        {
            viz[i] = true;
            stiva[p] = i;
            Back(p + 1);
            viz[i] = false;
        }
    }
}
int main()
{
    fin >> n >> k;
    Back(1);
    return 0;
}