n=input()

w=set(list(n))

maxn=0

minn=1e9

for i in w:

if n.count(i)>maxn:
    maxn=n.count(i)
if n.count(i)<minn:
    minn=n.count(i)

k=maxn-minn

if k<2:

print('No Answer')
print(k)

else:

t=True
for i in range(2,int(k**0.5)+1):
    if k%i==0:
        t=False
        break
if t:
    print('Lucky Word')
    print(k)
else:
    print('No Answer')
    print(k)