题解 | 笨小猴

n = input()
maxn = 0
minn = 100
for zm in range(97,123):
    c = 0
    zm = chr(zm)
    for i in n:
        if i == str(zm):
            c = c + 1
    if c != 0:
        if c > maxn:
            maxn = c
        elif c < minn:
            minn = c
s = maxn - minn
p = 0
if s != 1 and s != 0:
    for i in range(2,s):
        if s % i == 0:
            p = p + 1
    if p == 0:
        print('Lucky Word')
        print(s)
    else:
        print('No Answer')
        print('0')
else:
    print('No Answer')
    print('0')