Exercise21.java

	public class Exercise21 {
 public static void main(String arg[]) {
 // You only have class on Monday, Tuesday, THursday, and Friday during
 // the fall semester, and only on Tuesday through Friday during the Spring.
 // On those days you need to wake up early. On all other days, you can sleep in.
 // Write a program that prints "You can sleep in today" or "You must wake
 // up early today" depending on the current date, which is input by the user.
 // Example:
 // What is the day of the week? Monday
 // What semester is it? Spring
 // You can sleep in today!


 }