#include <iostream>
#include <fstream>

using namespace std;

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

int n, k;
int a[20];

void bacc(int nivel)
{
    if(nivel == k+1)
    {
        for(int i = 1; i <= k; i++)
            fout << a[i] << " ";
        fout << "\n";
        return;
    }
    for(a[nivel] = a[nivel-1]+1; a[nivel] <= n; a[nivel]++)
        bacc(nivel+1);
}

int main()
{
    fin >> n >> k;
    bacc(1);
    return 0;
}