#include<bits/stdc++.h>
using namespace std;
int n,v[20],fol[20],p,k;
void combinari(int p){
    if(p>k){
        for(int i=1;i<=k;++i)
            cout<<v[i]<<" ";
        cout<<"\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(){
	ifstream cin("combinari.in");
	ofstream cout("combinari.out");
	ios::sync_with_stdio(0);
	cin.tie(0);
	cin>>n>>k;
	combinari(1);
		
	return 0;
}