#include <iostream>
#include <fstream>
using namespace std;
ifstream f("combinari.in");
ofstream g("combinari.out");

int v[1000];
int main()
{   int n, k, i, ok=1, j;
    f>>n>>k;
    for (i=1;i<=k;i++)
       v[i]=i;
    while (ok==1)
    {   for (i=1;i<=k;i++)//afisam configuratia actuala
            g<<v[i]<<' ';
        g<<'\n';

        for (i=k;i>=1 && v[i]==n-k+i;i--)
            ;
        if(i<1)
           ok=0;
         else
            {   v[i]++;
                for(j=i+1;j<=k;j++)
                    v[j]=v[j-1]+1;

            }

        }
     return 0;
    }