#include <fstream>

using namespace std;
ifstream f("combinari.in");
ofstream g("combinari.out");
int z,K,N,j,i,nr,x;
int main()
{
    f>>N>>K;
    for(i=1;i<=1<<N;i++)
    {
     x=i; nr=0; z=i;
     while(z>0)
     {if(z%2==1) nr++;
     z/=2;}
     if(nr==K)
     {for(j=1;j<=N;j++)
     {if(x%2==1) g<<j<<" ";
     x/=2;}
     g<<'\n';}
    }
    return 0;
}