import math

def ju(x):

if x<2:

return False

for i in range(2,int(math.sqrt(x))+1):

if x%i==0:

return False

return True

s=raw_input()

#print s

set_s=list(set(s))

nu_s=[s.count(x) for x in set_s if x.islower()]

#print nu_s,set_s

mai=max(nu_s)-min(nu_s)

if ju(mai):

print 'Lucky Word'

print mai

else:

print 'No Answer'

print '0'