//reseni poskytla Anna Lytvin
#include <iostream>
using namespace std;

int main()
{
    int a, mezer, i, k, pom, pom2=1;
    cin>>a;
    mezer=a/2;
    pom=mezer;
    for(k=0; k<pom+1; k++)
    {
        for(i=0; i<mezer; i++)
        {
            cout<<" ";
        }
        cout<<"*"<<"\n";
        mezer=mezer-1;
    }

    for(k=0; k<pom; k++)
    {
        for(i=0; i<pom2; i++)
        {
            cout<<" ";
        }
        cout<<"*"<<"\n";
        pom2++;
    }

}