import sys word=input().split(' ') new_word=word[0]+word[1] new_tem_word=list(new_word) new_tem_word[::2]=sorted(new_tem_word[::2]) new_tem_word[1::2]=sorted(new_tem_word[1::2]) end_word='' for i in new_tem_word: if '0'<=i<='9' or 'a'<=i<='f' or 'A'<=i<='F': if i...