#include <fstream>

using namespace std;

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

int n, k, x[20];

inline void scrie(int const &dim) {
    for (int i = 1; i <= dim; i++)
        fout << x[i] << ' ';
    fout << '\n';
}

inline void back(int const &y) {
    for (int i = x[y - 1] + 1; i <= n; i++) {
        x[y] = i;
        if (y == k)
            scrie(k);
        else
            back(y + 1);
    }
}

int main() {
    fin >> n >> k;
    x[0] = 0;
    back(1);
    fin.close();
    fout.close();
    return 0;
}