#include <fstream>
#include <vector>

using namespace std;

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

int n,k;
vector <int> a;

void f(int x)
{
    if (x==a.size()-1)
    {
        if (k==1) a[x]=1; else a[x]=a[x-1]+1;
        for (; a[x]<=n; a[x]++,cout << '\n')
            for (int j=0; j<a.size(); j++)
                cout << a[j] << ' ';
    }
    else
    {
        if (x==0) a[x]=1; else a[x]=a[x-1]+1;
        for (; a[x]<=n; a[x]++)
            f(x+1);
    }
}

main()
{
    cin >> n >> k;
    a.resize(k);
    f(0);
}