#include <fstream>

using namespace std;

ifstream cin ("combinari.in");
ofstream cout ("combinari.out");

int n,k, x[100];

void afis(){
    for (int i = 1;i <n;++i)
        cout << x[i] << " ";
    cout << "\n";
}

void back(int pas){
    for (int i = x[pas-1]+1; i <=n - k + pas;++i){
        x[pas] = i;
        if (pas < k)
            back(pas+1);
        else
            afis();

    }
}


int main(){
    cin >>n >> k;
    back(1);
}