#include <fstream>

#define IN "combinari.in"
#define OUT "combinari.out"

using namespace std;

ifstream fin(IN);
ofstream fout(OUT);

void rec(int k);
void afiseaza();

int n, p;
bool use[101];
int sol[101];

int main()
{
    fin >> n >> p;
    rec(1);
    fout.close();
    return 0;
}

void rec(int k)
{
    int i;
    if(k == p+1)
        afiseaza();
    else
    {
        for(i = sol[k-1] + 1; i <= n; ++i)
            if(use[i] == false)
            {
                use[i] = true;
                sol[k] = i;
                rec(k+1);
                use[i] = false;
            }

    }
}

void afiseaza()
{
    int i;
    for(i = 1; i <= p; ++i)
        fout << sol[i] << ' ';
    fout << '\n';
}