#include <bits/stdc++.h>
using namespace std;
int main() {
int n,x;
cin >> n;
x = (n+1)/2;
for(int i = 1;i <= n;i++){
for(int j = 1;j <= n;j++){
if(j1 || jn){
cout << "|";
}
else if(i == 1 || i == n || i == x){
cout << "-";
}
else{
cout << "x";
}
}
cout << endl;
}
return 0;
}
