#include <iostream>
#include <fstream>

using namespace std;

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

int sol[18] , n , m ;

void Afisare ()
{
    int i;
    for ( i = 1 ; i <= m ; ++ i )
          fout << sol [i] << " ";
    fout << endl ;
}

void Back (int k)
{
    int i ;
    if ( k == m + 1 )
           Afisare();
    else
    for ( i = sol[k-1] + 1 ; i <= n - m + k ; ++ i )
    {
        sol [k] = i ;
        Back (k+1) ;
    }
}
int main()
{
    fin >> n >> m ;
    Back (1);
    return 0;
}