#include <iostream>
#include <fstream>

using namespace std;
ifstream fin ("combinari.in");
ofstream fout ("combinari.out");

short N,K;
short v[18];
void comb(short in, short n, short k)
{
    short i;
    if (k<K)
    {
        for (i=in;i<=n;i++)
        {
            v[k]=i;
            comb(i+1,n,k+1);
        }
    }
    else
    {
        for (i=0;i<K;i++)
            fout<<v[i]<<' ';
        fout<<'\n';
    }
}
int main()
{
    fin>>N>>K;
    comb(1,N,0);
    return 0;
}