# calculated by LLL algorithms in local
diffs = (-16, 16, -8, 8, -7, -4, 3, -17, -13, -4, -16)

s, t = '', ''
for diff in diffs:
    if diff < 0:
        s += 'a'
        t += chr(ord('a') - diff)
    else:
        s += chr(ord('a') + diff)
        t += 'a'

s = s[::-1]
t = t[::-1]

print(s)
print(t)