import java.util.Scanner;

public class StringLoops {

	public static void main(String[] args) {
		Scanner input = new Scanner(System.in);
		
		//sentinel loop - until the user types quit
		// 1 init - start
		System.out.println("Type something. \"quit\" to quit.");
		String line = input.nextLine().trim();
		
		//2. condition
		while(!line.equalsIgnoreCase("quit")) { // line != "quit" 
			// 4. repeat
			String upperCase = line.toUpperCase();
			System.out.println(upperCase);
			
			//3. next
			System.out.println("Type something. \"quit\" to quit.");
			line = input.nextLine().trim();
		}
	}

}