#include <fstream>
#include <iostream>
#include <bitset>
///Combinari de N luate cate P
using namespace std;
int N, p, v[19];
void combinari(int k)
{
    if(k == p + 1)
    {
        for(int i = 1; i<= p; ++i)
            cout << v[i] << " ";
        cout<< '\n';
    }
    else
    {
        for(int x = v[k - 1] + 1; x<= N - p + k; ++x)
        {
            v[k] = x;
            combinari(k+1);
        }
    }
}
int main()
{
    freopen("combinari.in","r",stdin);
    freopen("combinari.out","w",stdout);
    cin >> N >> p;
    combinari(1);
    return 0;
}