题解 | #表示数字#

import sys

for line in sys.stdin:
    a = line.strip()
    just = True
    num = 0
    while just:
        for i in range(num,len(a)-1):
            if not(a[i].isdecimal()) and a[i+1].isdecimal():
                a=a[0:i+1]+'*'+a[i+1:]
                num = i+2
                break
            elif a[i].isdecimal() and not(a[i+1].isdecimal()):
                a=a[0:i+1]+'*'+a[i+1:]
                num = i+2
                break
        else:
            just = False
    if a[-1].isdecimal():a = a+'*'
    if a[0].isdecimal():a = '*'+a
    print(a)