#include <fstream>
#define Nmax 20

using namespace std;

string file="combinari";

ifstream f( (file + ".in").c_str() );
ofstream g( (file + ".out").c_str() );

int uz[Nmax], v[Nmax], w[Nmax];
int n, k;

void print()
{
    for ( int i = 1; i <= k; i ++ )
    {
        g << v[i] << " ";

    }
    g << '\n';
}

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

                v[p]=i;
                bkt(p+1);


        }
    }

}

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