```python
from math import ceil
s=input()
l={}
for i in s :
if i in l :
l[i]+=1
else :
l[i]=1
min=101;max=-1
for i in l.keys() :
it=l[i]
if it<min :
min=it
if it>max :
max=it
cha=max-min
if cha!=1 and cha!=0 :
is_=True
for i in range(2,int(cha**(1/2))+1) :
if (cha%i)==0 :
is_=False
break
if is_ :
print("Lucky Word")
else :
print("No Answer")
cha=0
else :
print("No Answer")
cha=0
print(cha)
```
by fishredflying @ 2024-03-01 20:21:30
@[Xi3414954826](/user/867220)
by fishredflying @ 2024-03-01 20:21:42
@[fishredflying](/user/1029122) 谢谢谢谢 我现在就看
by Xi3414954826 @ 2024-03-01 20:35:21
```
from math import ceil
s=input()
l={}#利用字典
for i in s :
if i in l :
l[i]+=1
else :
l[i]=1
#防止报错
min=101;max=-1
for i in l.keys() :
it=l[i]
if it<min :
min=it
#计算最小
if it>max :
max=it
#计算最大
cha=max-min
#特判
if cha!=1 and cha!=0 :
is_=True
#算质数
for i in range(2,int(cha**(1/2))+1) :
if (cha%i)==0 :
is_=False
break
if is_ :
print("Lucky Word")
else :
print("No Answer")
cha=0
else :
print("No Answer")
cha=0
print(cha)
```
by fishredflying @ 2024-03-01 20:40:04
@[Xi3414954826](/user/867220) 解释了一下
by fishredflying @ 2024-03-01 20:40:37