while True: try: s = str(input()) #前后加个字母,使判断规则通用 s = ' ' + s + ' ' res = '' for i in range(len(s)-1): res += s[i] #非数字后面是数字,加* #数字后面是非数字,加* if s[i].isdigit(): if not s[i+1].isdigit(): res += '*' else: if s[i+1].isdigit(): res += '*' print(res[1:]) except: break