#include <fstream>
 
using namespace std;
ifstream fin("combinari.in");
ofstream fout("combinari.out");
int main()
{ int n, S[20],i, gata=0,k,p,m;
  fin>>n>>k;
    for(i=0;i<=n;i++)S[i]=0;
    for(m=1;m<=n-k+1;m++)
 {
     for(i=0;i<=n;i++)S[i]=0;gata=0;
    while(!gata)
    { p=0;
        for(i=m;i<=n;i++)if(S[i])p++;
       if(p==k && S[m]!=0)
        {for(i=m;i<=n;i++)if(S[i])fout<<i<<' ';
        fout<<endl;
        }
 
        for(i=m;i<=n && S[i];i++)S[i]=0;
        if(i==n+1)gata=1;
        else S[i]=1;
    }
 }
 
    return 0;
}