$($Days of a month$)$ Write a program that prompts the user to enter the year and the

first three letters of a month name $($with the first letter in uppercase$)$ and displays

the number of days in the month. Here is a sample run:

Enter a year: $2001$

Enter a month: Jan give C$++$ code

Jan $2001$ has $31$ days

Enter a year: $2001$

Enter a month: jan

jan is not a correct month name give me C$++$ code