#include<bits/stdc++.h>
using namespace std;
long long n,v[100],f[100];
void dfs(int step,string s){
    if(step>n){
        for(int i=0;i<n;i++)printf("%c ",s[i]);
        printf("\n");
        return ;
    }
    for(int i=1;i<=n;i++){
        if(!v[i]){
            v[i]=1;
            dfs(step+1,s+char(f[i]+'0'));
            v[i]=0;
        }
    }
}
int main(){
    cin>>n;
    for(int i=1;i<=n;i++)cin>>f[i];
    sort(f+1,f+n+1);
    dfs(1,"");
    return 0;
}
/**************************************************************
	Problem: 1685
	User: zhangzekai
	Language: C++
	Result: Accepted
	Time:35 ms
	Memory:2080 kb
****************************************************************/