#include <bits/stdc++.h>
using namespace std;
int cm(string a,int b)
{
	for(int i=1;i<=b;i++) cout<<a;
}
int Hblock(int l){
	int hf=(l-1)/2;
	for(int i=1;i<=hf;i++){
		cout<<"|";
		cm("a",l-2);
		cout<<"|"<<endl;
	}
	cout<<"|";
	cm("-",l-2);
	cout<<"|"<<endl;
	for(int i=1;i<=hf;i++){
		cout<<"|";
		cm("a",l-2);
		cout<<"|"<<endl;
	}
} 
int main(){
	int a;
	cin>>a;
	Hblock(a);
}