#include<bits/stdc++.h>
using namespace std;
int n,a[10]={0},b[10];
string s;
void dfs(int x,string s){
	if(x>n){
		for(int i=0;i<=n;i++){
			cout<<s[i]<<" ";
		}
		cout<<endl;
		return;	
	}
	for(int i=1;i<=n;i++){
		if(a[b[i]]==0){
			a[b[i]]=1;
			dfs(x+1,s+char(b[i]+'0'));
			a[b[i]]=0;
		}
	} 
}
int main(){
	cin>>n;
	for(int i=1;i<=n;i++){
		cin>>b[i];
	}
	sort(b+1,b+1+n);
	dfs(1,"");
	return 0;
}
/**************************************************************
	Problem: 1685
	User: liujinhao
	Language: C++
	Result: Time Limit Exceed
****************************************************************/