Please do it by C++

The following exercise calculate the average of two numbers: Average=2A+B There are two input values: - First number A, an integer, ranged from -2,147,483,648 to 2,147,483,647, inclusively. - Second number B, an integer, ranged from 2,147,483,648 to 2,147,483,647, inclusively. You have to calculate the average between the two numbers. The output should be rounded to 2 decimal places. The sample output is given as follows. Sample 1 Sample 2 Please input first number: 2147483647 Please input second number: 2147483648 Average: 0.50