#include <iostream>

using namespace std;

int main()
{
    int n;
    cout<<"Unesite broj redova"<<endl;
    cin>> n;


       for(int i=0;i<n;i++)
       {
           cout<<"*";
           for(int k=0;k<i;k++) cout<<" ";
           for(int k=0;k<n+1-n;k++)cout<<"*";
           for(int k=0;k<n-1-i;k++) cout<<" ";
           cout<<"*";
           cout<<endl;



       }
       return 0;
}