#include<fstream>
#include<iostream>
using namespace std;
short n,z,v[20];
ifstream in("combinari.in");
ofstream out("combinari.out");
void afis()
{
    for(int i=1;i<=z;i++)
        out<<v[i]<<" ";
    out<<'\n';
}
void back(int k)
{
    if(k==z+1)
      afis();
    else
    for(v[k]=v[k-1]+1;v[k]<=n-z+k;v[k]++)
        back(k+1);
}
int main()
{
    in>>n>>z;
    back(1);
}