Please write in C++

7. If A and B are two m X n matrices, their sum is defined as follows: If Ajj and Bij are the entries in the ith row and jth column of A and B, respectively, then Ajj + Bij is the entry in the ith row and jth column of their sum, which will also be an m X n matrix. Write a pro- gram to read two mxn matrices, display them, and calculate and display their sum