#include <bits/stdc++.h>
using namespace std;

#define cin fin
#define cout fout

ifstream fin("combinari.in");
ofstream fout("combinari.out");

const int MAX = 10;
int st[MAX], fre[MAX], n, k;

void afis()
{
    for (int i = 1; i <= k; ++i)
        cout << st[i] << " ";
    cout << "\n";
}

void backt(int pos)
{
    for (int i = st[pos-1]+1; i <= n; ++i)
    {
        st[pos] = i;
        if (pos == k)
            afis();
        else
            backt(pos+1);
    }
}

int main()
{
    cin >> n >> k;
    backt(1);

    return 0;
}