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