#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("combinari.in");
ofstream fout("combinari.out");
int n,k,v[19];

void afisare()
{
    for (int i=1 ; i<=k ; ++i)
        fout<<v[i]<<' ';
    fout<<'\n';
}

void bt(int indice)
{
    if (indice>k){
        afisare();
        return;
    }

    for (int valoare=v[indice-1]+1;valoare<=n;++valoare)
    {
        v[indice]=valoare;
        bt(indice+1);
    }
}

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