#include <iostream>
#include <fstream>
using namespace std;
ifstream fin("combinari.in");
ofstream fout("combinari.out");
int n,v[19],fol[19],p,k;
void combinari(int p){
    if(p>k){
        for(int i=1;i<=k;++i)
            fout<<v[i]<<" ";
        fout<<"\n";
        return;
    }
    for(int i=1;i<=n;++i)
        if(fol[i]==0 && i>v[p-1]){
            fol[i]=1;
            v[p]=i;
            combinari(p+1);
            fol[i]=0;
        }
}

int main()
{
    fin>>n>>k;
    combinari(1);
    return 0;
}