#include <iostream>
#include <fstream>
#include <vector>
#include <queue>
#include <cstring>
#define Nmax 50005
#define INF 0x3f3f3f3f
#define MOD 1999999973

using namespace std;

ifstream f("combinari.in");
ofstream g("combinari.out");

int n, k;
int c[20];

void prnt()
{
    for (int i = 1; i <= k; i++)
        g << c[i] << " ";
    g << '\n';
}

void bkt(int niv)
{
    if (niv == k+1)
    {
        prnt();
    }
    else
    {
        for (int i = c[niv-1]+1; i <= n; i++)
        {
            c[niv]=i;
            bkt(niv+1);
        }
    }
}

int main()
{
    f >> n >> k;
    bkt(1);

    return 0;
}