//#include <iostream>
#include <fstream>

using namespace std;
int a[20];
int main()
{
    int i,j,k,n,c;
    ifstream fin("combinari.in");
    fin>>n>>k;
    fin.close();
    for(i=1;i<=k;i++)
        a[i]=i;
    c=n-k+1;
    ofstream fout("combinari.out");
    for(i=1;i<=k;i++)
        fout<<i<<" ";
        fout<<'\n';
    while(c!=a[1])
        {
            i=k;j=n;
            while(a[i]==j)
                i--,j--;
            a[i]++;
            for(j=i+1;j<=k;j++)
                a[j]=a[j-1]+1;

              for(i=1;i<=k;i++)
                    fout<<a[i]<<" ";
            fout<<'\n';
        }
        fout.close();

    return 0;
}