for cislo in range(5):
    print(cislo)

for pozdrav in 'Ahoj', 'Hello', 'Hola', 'Hei', 'SYN':
    print(pozdrav + '!')


soucet = 0

for cislo in 8, 45, 9, 21:
    soucet = soucet + cislo

print(soucet)