#include <fstream>
#include <vector>
#include <algorithm>

using namespace std;

int main()
{
    ifstream f("combinari.in");
    ofstream cout("combinari.out");
    int n, k, v[18];

    f >> n >> k;
    for(int i = 0; i < n; ++i)
        v[i] = (i >= k);
    do
    {
        for(int i = 0; i < n; ++i)
            if(!v[i]) cout << i+1 << ' ';

        cout << '\n';
    }while(next_permutation(v, v+n));
    return 0;
}