print('='*72)
print('{0:=^72}'.format(' Exercício 5.3 '))
print('{0:=^72}'.format(' By César J. Fois '))
print('='*72)
print('{0:=^72}'.format(' Contador Regresivo 10 a 0 '))
print('='*72)
print('')

x = 10

while x >= 0:
    print(x)
    x = x - 1
print('FOGO!')