#include <fstream>
using namespace std;

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

int n, x[10], m;
bool a[10];
void Perm( int k );
void Write();

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

void Perm( int k )
{
    if ( k == m + 1 )
    {
        Write();
        return;
    }
    for ( int i = x[k-1] + 1; i <= n; i++ )
    {
        x[k] = i;
        Perm(k+1);
    }
}

void Write()
{
    for ( int i = 1; i <= m; i++ )
        os << x[i] << ' ';
    os << '\n';
}