PROBLEM 6: Write a complete program to print the number of days in a given month entered from the keyboard. If the month is February, the year must also be entered to determine if it's a leap year or...

Extracted text: PROBLEM 6: Write a complete program to print the number of days in a given month entered from the keyboard. If the month is February, the year must also be entered to determine if it's a leap year or not. Write 2 versions of the program: the first version accepting int value, using nested if-else structure, the 2nd version accepting char value for the month using switch structure. Sample Input/Output: Enter the month ( 1 to 12): 12 Number of days = 31 Enter the month (A to L): B Enter the year: 2021 Number of days = 28