import java.util.Scanner;

public class Substring1
{
    public static void main(String[] args)
    {
       Scanner input = new Scanner(System.in);
       
       String s1 = "Welcome";


       System.out.println("s1.substring(0) = " + s1.substring(0));
       System.out.println("s1.substring(1) = " + s1.substring(1));
       System.out.println("s1.substring(3) = " + s1.substring(3));
    }
}