题解 | #表示数字#

import re

w = [i for i in input()]
a = ''
if w[0].isdigit():
    a = a + '*' + w[0]
else:
    a = a + w[0]
for i in range(1,len(w)):
    if w[i-1].isdigit() and w[i].isdigit():
        a = a + w[i]
    elif w[i-1].isdigit() and not w[i].isdigit():
        a = a + '*' + w[i] 
    elif not w[i-1].isdigit() and w[i].isdigit():
        a = a + '*' + w[i]
    elif not w[i-1].isdigit() and not w[i].isdigit():
        a = a + w[i]
if a[-1].isdigit():
    a = a + "*"
print(a)