C++ please

Suppose you have a file called "MyFile.dar in this file, a list of unknown number of users ages are listed Write a C++ program to read the ages and save the following in a file called "Outfile.dor 1 Total number of users ages 2 The average value of all ages 3. Total number of children where a user with age less than or equal to 16 is considered as a child. The generated output should be formatted as follows