#include <fstream>

using namespace std;

ifstream in ("combinari.in");
ofstream out ("combinari.out");
int i,n,k,j,x,nr,l;
int main()
{
    in>>n>>k;
    nr=0;
    for(i=1; i<(1<<n); i++)
    {
        x=i; nr=0;
        for(j=1; j<=n; j++)
        {
            if(x%2==1) nr++;
            x/=2;
        }
        if(nr==k) {
            x=i;
        for(j=1; j<=n; j++)
        {
            if(x%2==1) out<<j<<" ";
            x/=2;
        }
        out<<'\n';}

    }

    return 0;
}