def isPrime(n):
    if n<2:
        return False
    elif n==2:
        return True
    else:
        for i in range(2,int(pow(n,0.5)+1)):
            if n%i==0:
                return False
        return True
s=input()
mydict=dict()
for ch in s.lower():
    mydict[ch]=mydict.get(ch,0)+1
if isPrime(max(mydict.values())-min(mydict.values())):
    print('Lucky Word')
else:
    print('No Answer')
print(max(mydict.values())-min(mydict.values()))```