#include <iostream>
#include <fstream>
#define NMAX 18

using namespace std;

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

int n, k;
int v[NMAX + 1];

void afisare()
{
    for (int i = 1; i <= k; ++i) fout << v[i] << " ";
    fout << '\n';
}
void combinari(int i, int k, int n)
{
    if (i == k + 1) afisare();
    else for (v[i] = v[i - 1] + 1; v[i] <= n; v[i]++) combinari(i + 1, k, n);
}
int main()
{
    fin >> n >> k;

    combinari(1, k, n);

    fin.close();
    fout.close();
    return 0;
}