#include <bits/stdc++.h>

using namespace std;

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

int n,p;

int GetBits(int mask)
{
    int nr=0;
    while(mask)
        {
            nr++;
            mask&=mask-1;
        }
    return nr;
}

int main()
{
    fin>>n>>p;
    for(int mask=0;mask<(1<<n);mask++)
        {
            if(GetBits(mask)==p)
                {
                    int k=0,t=0;
                    while(true)
                        {
                            if(mask & (1<<k))
                                {
                                    fout<<k+1<<" ";
                                    t++;
                                }
                            k++;
                            if(t==p)
                                break;
                        }
                    fout<<'\n';
                }
        }
}