#include<bits/stdc++.h>
using namespace std;
int n,a[101];
bool vis[100];
void dfs(int g,string s){
    if(g>n){
        cout<<s<<endl;
        return;
    }
    for(int i=1;i<=n;i++){
        if(!vis[i]){
            vis[i]=1;
            dfs(g+1,s+char(a[i]+'0')+' ');
            vis[i]=0;
        }
    }
}
int main(){
    cin>>n;
    for(int i=1;i<=n;i++){
        cin>>a[i];
    }
    dfs(1,"");
}
/**************************************************************
	Problem: 1685
	User: linxichen
	Language: C++
	Result: Time Limit Exceed
****************************************************************/