#include <iostream>
#include <fstream>

using namespace std;

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

int sol[20];
void afisare(int n)
{
    for(int i = 1; i <= n; ++i)
        fout<<sol[i]<<' ';
    fout<<'\n';
}
void combinari(int n, int k, int p)
{
    for(int i = sol[k-1] + 1; i <= n; ++i)
    {
        sol[k] = i;
        if(k == p)
            afisare(p);
        else
            combinari(n, k + 1, p);
    }
}
int main()
{
    int n, p;
    fin>>n>>p;
    combinari(n, 1, p);
    return 0;
}