#include<bits/stdc++.h>
using namespace std;
int n;
int main(){
	cin>>n;
	for(int i=1;i<=n;++i)
	{
		cout<<"|";
		if((i+1)%2==0 || i==1 || i==n)
		{
			for(int j=2;j<=n-1;++j)
			{
				cout<<"-";
			}
		}
		else
		{
			for(int j=2;j<=n-1;++j)
				cout<<"x";
		}
		cout<<"|"<<endl;
	}
	return 0;
}