#include <bits/stdc++.h>
using namespace std;

int main() { int i,n,k,j ;
cin >> n ;
for ( i = 5 ; i >=1  ; i-=2){
	int s = (n-i)/2 ;
	for ( j = 1 ; j <= s ; j++){
		cout << " " ;
	}for ( k = 1 ; k <= i ; k++){
		cout << "o " ;
	} cout << "\n" ;
}
}