#include <iostream>

using namespace std;

int determining_maximum(int Rad_quantity , int stars[])
{
    int careht=0;
    int makcimym=0;
    while(careht<Rad_quantity)
    {
        if (makcimym <= stars[careht])

        {
            makcimym=stars[careht];
        }
        careht++;
    }
    return makcimym;
}

void output_symbol (int p ,int w)
{
    int careht=0;
    while(careht<p)
    {
        cout << " " ;
        careht++;
    }
    careht=0;
    while(careht<w)
    {
        cout << "*" ;
        careht++;
    }
    cout << endl;
}

void output(int Rad_quantity,int stars[])
{
    int makcimym=determining_maximum ( Rad_quantity, stars ) ;
    int careht_1=0;
    while(careht_1<Rad_quantity)
    {
        output_symbol((makcimym-stars[careht_1])/2, stars[careht_1]);
        careht_1++;
    }
}

int main()
{
    int stars[20];
    int careht=0;
    int Vremina=1;
    stars[0]=1;
    while(Vremina!=0)
    {
        cin >> Vremina ;
        stars[careht]=Vremina ;
        careht++;
    }
    output(careht,stars);
}