The sum of three digits is three digits, and the highest bit of the sum can only be

1

Love = 1, star+red+red unit = star, red =0 or 5, if 0, red star is 1 digit, only 5, so red =5, by

Red+star+star plus the following carry end = star,

Explain that red with asterisk =9 and asterisk =4.

54+45+45= 144 is almost adopted, and it is not easy for me!