def g(x,y):
    r = x/40. - 2.0
    i = y/20. - 1.0
    z = r + 1j*i
    Z = r + 1j*i
    for _ in range(100):
        Z = Z*Z + z
    return "*" if abs(Z) < 2 else " "

for y in range(40):
        print("".join([g(x,y) for x in range(100)]))