# include <cstdio>
using namespace std;
int N,st[9],p;
bool ap[11];
void tipar(int k)
{
    int i;
    for(i=1;i<=p;++i)
        printf("%d ",st[i]);
    printf("\n");
}
void back(int k)
{
    int x;
    if(k==p)
    {
        tipar(p);
    }
    else
    {
        for(x=st[k]+1;x<=N;++x)
        {
            st[k+1]=x;
            back(k+1);
        }
    }
}
int main()
{
    freopen("combinari.in","r",stdin);
    freopen("combinari.out","w",stdout);
    scanf("%d %d",&N,&p);
    back(0);
    return 0;
}