Create a program $($class name: Age$)$ that takes in the users age as input. First, the age the user entered should be printed out. Second, if the user is under $21$ years old, print a statement indicating how wonderful it is to be young. Use the IF control structure in your exercise. Your output should match as in the example below:Hint: Make sure to declare and use a constant for storing the value $21$ and using it in the lf statement.