#include<iostream>
#include<fstream>
using namespace std;
ifstream fin("combinari.in");
ofstream fout("combinari.out");
int n,k,v[20];
void citire()
{
    fin>>n>>k;
}
void afisare()
{
    for(int a1=1;a1<=k;a1++)
    {
        fout<<v[a1]<<" ";
    }
    fout<<'\n';
}
int back1(int x,int pre)
{
    x++;
    if(x<=k)
    {
        for(int a1=pre+1;a1<=n-k+x;a1++)
        {
            v[x]=a1;
            back1(x,a1);
        }
    }
    else
    {
        afisare();
    }
}
int main()
{
    citire();
    back1(0,0);
}