import java.util.Scanner;
public class Program6{
    public static void main(String[] args){
        Scanner scan=new Scanner (System.in);
        double latest, max = -Double.MAX_VALUE;

        System.out.print("Enter several double numbers, followed" 
			 +" by <CONTROL>D twice: ");

        while(scan.hasNext()){
            latest = scan.nextDouble();
	    if (latest > max)
		max = latest;
        }
	System.out.println ("\nThe largest of your numbers is " + max);
    }
}