#include <iostream>
 
using namespace std;
 
int main()
{
 
    for (int i = 1; i <= 7; i++)
    {
        for (int j = 1; j <= 7; j++)
        {
            if( j <= 7 - i )
            cout<<" ";
            else
            cout << "o";
        }
        cout << endl;
    }
    cout << endl;
    return 0;
}