1.JAVA-2

package com.company;

import org.w3c.dom.ls.LSInput;

import javax.swing.*;
import java.util.Scanner;

public class Main {

    public static void main(String[] args) {


        String name, name1;
        Scanner SC= new Scanner (System.in);
        //Scanner SC=new Scanner(System.in);
        name = SC.nextLine();
        if(name=="ALice")
        {
            System.out.println("Welcome " + name);
        }
        if(name=="BOB");
        {
            System.out.println("Welcome " + name);
        }
        else
        {
            System.out.println(+name);
        }

    }
}