Question: 1. Create a static method named IsEven() which takes an integer as an argument and returns true if the argument is an even number, and false otherwise.

2. Create a static method named GetSmallest() that receives three integer arguments and returns the smallest of the three values.

3. Write a static method named GetChar(), which uses a reference parameter to accept a character argument.

The method should prompt the user to enter a character and validate to make sure the character entered is between 'A' to 'F'. The input should be stored in the parameter variable.