#include <fstream>
using namespace std;
ifstream r ("combinari.in");
ofstream w ("combinari.out");

int v[20], n, p;

void write()
{
    for (int i = 1; i <= p; ++i)
        w<<v[i]<<" ";
    w<<endl;
}

void bk(int k)
{
    if (k > p) write();
    else for (int i = v[k-1] + 1; i <= n; ++i )
            v[k] = i, bk(k + 1);
}

int main()
{


    r>>n>>p;
    bk(1);

   return 0;
}