#include <fstream>
#define Nmax 20
using namespace std;
ifstream fin("combinari.in");
ofstream fout("combinari.out");
int sol[Nmax],n,m,ap[Nmax];
void afisare()
{
    for (int i=1;i<=m;i++)
        fout<<sol[i]<<" ";
    fout<<"\n";
}
void comb(int u)
{
    if (u==m)
    {
        afisare();
        return;
    }
    for (int i=sol[u]+1;i<=n;i++)
    {
        sol[u+1]=i;
        comb(u+1);
    }
}
int main()
{
    fin>>n>>m;
    comb(0);
    return 0;
}