#include <fstream>

using namespace std;

int n,p, x[100];

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

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

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


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