#include <iostream>
#include <fstream>

using namespace std;

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

int n, k;
int sir[20];

bool isOk(int sir[20])
{
    for(int i = 2; i <= k; i++)
        if(sir[i] <= sir[i-1])
            return false;
    return true;
}

void gen(int cif, int lg)
{
    if(lg == k + 1 && isOk(sir)){
        for(int j = 1; j <= k; j++)
            cout << sir[j] << " ";
        cout << "\n";
        return;
    }
    for(int i = cif; i <= n; i++){
        sir[lg] = i;
        gen(cif + 1, lg + 1);
    }
}

int main()
{
    fin >> n >> k;
    gen(1,1);
    return 0;
}