题解 | #图片整理#

oh no

import sys

str_1 = input()
nums=''
alpha=''
upper=''
for i in str_1:
    if i.isnumeric():
        nums += i
    elif i.isalpha():
        if i.isupper():
            upper+=i
        else:
            alpha+=i
nums=''.join(sorted(list(nums)))
alpha=''.join(sorted(list(alpha)))
upper=''.join(sorted(list(upper)))
print(nums+upper+alpha)