.gitignore

.idea
*.pyc
string=sorted(input())
lower=""
even=""
odd=""
upper=""
for i in string:
 if i.islower():
 lower+=i
 elif i.isupper():
 upper+=i
 elif int(i)%2==0:
 even+=i
 else:
 odd+=i
print(lower+upper+odd+even)

# operating system-related files

# file properties cache/storage on macOS
*.DS_Store

# thumbnail cache on Windows
Thumbs.db