import random
import string
a1=50
s1=''.join(random.choice(string.ascii_lowercase) for _ in range(a1))
print s1
a1=5
s1=''.join(random.choice(string.ascii_lowercase) for _ in range(a1))
print s1
a1=5
s1=''.join(random.choice(string.ascii_lowercase) for _ in range(a1))
print s1
