1424. Hard to Believe, but True!

import re

zero = re.compile(r'((?<=[=+])|^)0+(?=[1-9])')
while True:
    s = input()[::-1].replace('=', '==')
    s = zero.sub('', s)
    print(bool(eval(s)))
    if s == '0==0+0':
        break