#include <iostream>
#include <fstream>
using namespace std;
ifstream in("combinari.in");
ofstream out("combinari.out");
int n,q;
int p[20];
void afisare()
{
    for(int i=1;i<=q;i++)
        out<<p[i]<<" ";
    out<<"\n";
}
void back(int k)
{
    if(k==q+1)
    {
        afisare();
    }
    else
    {
        for (int i = p[k - 1] + 1; i <= n; ++i) {
            p[k] = i;
            back(k + 1);
        }
    }
}
int main()
{
    in>>n>>q;
    back(1);
    return 0;
}