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