#include <bits/stdc++.h>

using namespace std;

int a[30], n, k;
ifstream fin("combinari.in");
ofstream fout("combinari.out");

void Afis()
{
    int i;
    for (i = 1; i <= k; ++i)
        fout << a[i] << " ";
    fout << "\n";
}

void Gen(int top)
{
    if (top == k + 1) Afis();
    else
        for (int i = 1 + a[top-1]; i <= n; i++)
        {
            a[top] = i;
            Gen(top + 1);
        }
}

int main()
{
    fin >> n >> k;
    Gen(1);
    return 0;
}