#include <iostream>
using namespace std;

int main() {
	int n;
    cin >> n;
    for (int i=1; i<=n; i++){
        for(int j=1; j<=i-1;j++){
            cout << " ";}
        for (int k=1;k<=i;k++){
           cout << "o"; 
        }
    }  cout << "\n";
    
	return 0;
}