#include <fstream>

using namespace std;

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

bool ales[19];
int cnt, k, n;

void f( int n_crt ) {
  int i;

  ales[n_crt] = true;
  cnt = 0;
  for( i = 1; i <= n_crt; i ++ )
    if( ales[i] )
      cnt++;
  if( cnt == k ) {
    for( i = 1; i <= n; i ++ )
      if( ales[i] )
        cout << i << " ";
     cout << '\n';
  }

  if( cnt > k )
    return;

  if( n_crt < n )
    f( n_crt + 1 );

  ales[n_crt] = false;

  if( n_crt < n )
    f( n_crt + 1 );
}

int main()
{
    cin >> n >> k;
    f( 1 );
    return 0;
}