#include <bits/stdc++.h>

using namespace std;

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

int n, k, power;

int main()
{
    fin>>n>>k;
    power = (1<<n)-1;

    for ( int i = power; i >= 0; --i )
    {
        if ( __builtin_popcount(i) == k )
        {
            for ( int j = n-1; j >= 0; j-- )
                if ( i&(1<<j) )
                    fout<<n-j<<" ";
            fout<<'\n';
        }
    }
}