#include <fstream>
#define NMAX 20

using namespace std;

ifstream f("combinari.in");
ofstream g("combinari.out");

int i, n, m, level = 1, v[NMAX];

void afisare()
{
    for (int i = 1; i <= m; ++ i)
        g << v[i] << " ";
    g << '\n';
}

bool ok()
{
    for (int i = level - 1; i >= 1; -- i)
        if (v[i] == v[level])
            return 0;
    return 1;
}

void backtracking()
{
    while (level)
    {
        bool check = 0;

        while (!check && v[level] < n)
        {
            v[level] ++;
            check = ok();
        }

        if (!check)
            level --;
        else
            if (check && level == m)
                afisare();
        else
            if (check)
                v[++ level] = v[level - 1];
    }
}

int main()
{
    f >> n >> m;
    backtracking();
    return 0;
}