#include <cstdio>

using namespace std;

#define NMAX 25

int sol[NMAX];
int N,K;

void afis()
{
    for (int i=2;i<=K+1;++i)
    printf("%d ",sol[i]);

    printf("\n");
}

void back(int k)
{
    if (k>K)
    {
        afis();
        return ;
    }

    for (int i=sol[k]+1;i<=N;++i)
    {
        sol[k+1]=i;
        back(k+1);
    }

}

int main()
{
freopen("combinari.in","r",stdin);
freopen("combinari.out","w",stdout);

scanf("%d%d",&N,&K);

back(1);

return 0;
}