#include <iostream>
#include <fstream>
#include <vector>

using namespace std;

void bkt(int k, int N, int K, vector<int> &st, ofstream &fout) {
    for (int i = st[k - 1] + 1; i <= N; i++) {
        st[k] = i;

        if (k == K) {
            for (int j = 1; j <= K; j++) {
                fout << st[j] << ' ';
            }
            fout << endl;
        } else {
            bkt(k + 1, N, K, st, fout);
        }
    }
}

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

    int N, K;
    fin >> N >> K;

    vector<int> st(K + 1, 0);
    bkt(1, N, K, st, fout);
    return 0;
}