Problem in c++

1.) Prompt user to enter 3 integer values.

2.) Write the even numbers to a file.

3.) Display the number of values written to a file.

// ---- Output when no even number. -------------------//

Enter 3 numbers.

#1: 33

#2: 77

#3: 13

None are no even numbers.

// ----------------------------------------------------//

---- Output when there is one even number.---------

Enter 3 numbers.

#1: 33

#2: 55

#3: 2

One even number was written to the file.

// ----------------------------------------------------//

---- Output when there are 2 even numbers ---------

Enter 2 numbers

#1: 33

#2: 25

#3: 62

2 even numbers have been written to a file

// ----------------------------------------------------//

---- Output when there are 3 even numbers. ---------

Enter 3 numbers

#1: 32

#2: 24

#3: 63

3 even numbers have been written to a file.

// ----------------------------------------------------//