#include <iostream>
#include <fstream>

using namespace std;

const int MAXN = 19;
int n, k, st[MAXN];

void combinari(int q = 1) {
    for (int i = q; i <= n; ++i) {
        st[q] = i;
        
        if (q >= 2 && st[q] <= st[q - 1]) {
            continue;
        }
        if (q == k) {
            for (int i = 1; i <= k; ++i) {
                cout << st[i] << " ";
            }
            cout << endl;
        } else {
            combinari(q + 1);
        }
    }
}

int main(int argc, const char * argv[]) {
    ifstream cin("combinari.in");
    ofstream cout("combinari.out");
    
    cin >> n >> k;
    combinari();
    
    return 0;
}