#include <iostream>
#include <fstream>

using namespace std;

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

int n, k, v[25];

bool check (int level) {
    for (int i=1; i < level; i++) {
        if (v[i] >= v[level]) return 0;
    }
    return 1;
}

void bkt (int level) {
    for (int i=level; i <= n; i++) {
        v[level] = i;
        if (check(level)) {
            if (level != k) bkt(level+1);
            else {
                for (int j=1; j<=k; j++) fout << v[j] << ' ';
                fout << '\n';
            }
        }
    }
}

int main()
{
    fin >> n >> k;

    bkt(1);

    return 0;
}