题解 | #表示数字#

strs=input()
l="0123456789"
strs=strs.replace('*',"哈")
n=''
for i in strs:
    if i in l:
        n+="*"+i+"*"
    else:
        n+=i

n=n.replace("**","")
print(n.replace("哈",'*'))