/* 
 * File:   main.cpp
 * Author: virtualdemon
 *
 * Created on April 28, 2010, 8:18 PM
 */
#include <vector>
#include <cstdlib>
#include <fstream>
#include <iterator>
#include <algorithm>

/*
 * 
 */
using namespace std;
int main(int argc, char** argv)
{
    int N, k, i;
    ifstream in( "combinari.in" );
    ofstream out( "combinari.out" );
    in>>N>>k;
    vector< int > v( N, 1 );
    for( i=0; i < k; ++i )
        v[i]=0;
    do
    {
        for( i=0; i < N; ++i )
            if( !v[i] )
                out<<(i+1)<<' ';
        out<<'\n';
    }while( next_permutation( v.begin(), v.end() ) );
    return (EXIT_SUCCESS);
}