words = ['one', 'two', 'three', 'four', 'five']

n = 0
while(n < 5):
    print(words[n])
    n += 1

#fibonacci
a, b = 0, 1
while b < 1000:
    #print ('{} '.format(b))
    print (b, end = ' ', flush = True)
    a, b = b, a + b
print() # line ending

for i in words:
    print(i, end = ': ', flush=True)
print()