#include <fstream>

using namespace std;
ifstream in ("combinari.in");
ofstream out ("combinari.out");

int n, k, sol[20];

void afisare()
{
    for(int i = 1; i <= k; i++)
        out << sol[i] <<" ";
    out <<"\n";
}

void bkt(int p)
{
    if(p == k+1)
        afisare();
    else
    {
        for(int i = sol[p-1] + 1; i <= n; i++)
        {
            sol[p] = i;
            bkt(p+1);
        }
    }
}

int main()
{
    in >> n >> k;
    bkt(1);
    return 0;
}