#include <fstream>
#include<stdio.h>
using namespace std;
ifstream fin("combinari.in");
ofstream fout ("combinari.out");
int n,h,k;
int comb[18];
void compute_combinations (int c)
{
    int i;
    for (i=comb[c-1]+1;i<=n;i++)
    {
        comb[c]=i;
        if (c<k) compute_combinations (c+1);
        else  {for (h=1;h<=k;h++) fout<<comb[h]<<" ";fout<<"\n";}
    }
}
int main()
{
	fin>>n>>k;
    compute_combinations (1);
}