#include<bits/stdc++.h>
using namespace std;
ifstream fin("combinari.in"); ofstream fout("combinari.out");

void generate_comb(int nr, int n, int k, int min, vector<int> &cmb)
{
    if (nr == k)
    {
        for (int i = 0; i < k; i++)
            fout << cmb[i] << " ";
        fout << "\n";
        return;
    }
    for (int i = min; i <= n; i++)
    {
        cmb[nr] = i;
        generate_comb(nr + 1, n, k, i + 1, cmb);
        cmb[nr] = 0;
    }
}

int main()
{
    int n, k;
    fin >> n >> k;
    vector<int> cmb(k);
    generate_comb(0, n, k, 1, cmb);
    return 0;
}