#include <fstream>

using namespace std;
ifstream fin ("combinari.in");
ofstream fout ("combinari.out");
int n, k, c[20];

void afisare () {
    for (int i = 1; i <= k; i++)
        fout << c[i] << " ";
    fout << "\n";
}

void combinari (int l) {
    if (l > k) {
        afisare();
        return;
    }
    for (int i = c[l-1]+1; i <= n; i++) {
        c[l] = i;
        combinari(l+1);
    }
}
int main()
{
    fin >> n >> k;
    combinari(1);
    return 0;
}