while True: try: A, B =input().split() except: break else: in_str = list(A+B) in_str[0::2] = sorted(in_str[0::2]) in_str[1::2] = sorted(in_str[1::2]) list_transform = in_str for i in range(len(list_transform)): ascii = ord(list_transform[i]) # 用ascii判断是否0-9 a-f if ascii in range(48,58) or ascii in r...