#include <fstream>
#include <algorithm>
using namespace std;
ifstream cin ("combinari.in");
ofstream cout ("combinari.out");
bool v[100];
int main()
{
    int n,k;
    cin>>n>>k;
    fill(v+k+1,v+n+1,true);
    do
    {
        for(int i=1;i<=n;++i)
            if(!v[i])
                cout<<i<<" ";
        cout<<endl;
    }while(next_permutation(v+1,v+n+1));
    return 0;
}