#include <fstream>
using namespace std;

ifstream is("combinari.in");
ofstream os("combinari.out");

void WRITE();
void SOLVE(int q);

int n, k;
int x[20];

int main()
{
    is >> n >> k;
    SOLVE(1);
    is.close();
    os.close();
    return 0;
}

void SOLVE(int q)
{
    if ( q > k )
    {
        WRITE();
        return;
    }
    for ( int i = x[q - 1] + 1; i <= n; ++i )
    {
        x[q] = i;
        SOLVE(q + 1);
    }
}

void WRITE()
{
    for ( int i = 1; i <= k; ++i )
        os << x[i] << " ";
    os << "\n";
}