s = str(input())
from math import sqrt
num = s.count(max(s)) - s.count(min(s))
for i in range(2,int(sqrt(num)+1)):
    if num % i != 0 or num == 2 or num == 3:
        print('Lucky Word')
        print(num)
    else:
        print('No Answer')
        print(0)