import java.util.Scanner;

public class ericafariAssign1{
    public static void main(String[] args){
        System.out.println("Hello");

        Scanner stones = new Scanner(System.in);
        System.out.println("Enter the number of stones:");
        int num_of_stones = stones.nextInt();

        
        Scanner user1 = new Scanner(System.in);
        

        Scanner user2 = new Scanner(System.in);
       


        while (num_of_stones>0){


            
            System.out.println("Enter the number of stones,user 1:");
            int num_of_user1_stones = user1.nextInt();

            
           
            


            while (true){
                if (num_of_user1_stones == 0){
                    num_of_user1_stones += 1;
    
                }
    
                else if (num_of_user1_stones % 2 == 0){
                    num_of_user1_stones +=1;
    
    
                }
    
                else if (num_of_user1_stones % 2 != 0){
                    break;
                }
    
                num_of_user1_stones =  stones.nextInt();

                
    
    
        
        }

            String name = user1.next();
            System.out.println("What is your name?");

            //scan input from user1
            if (num_of_user1_stones < num_of_stones){
                num_of_user1_stones += num_of_user1_stones;
                
                //deduct from total_amt_of_stones
                num_of_stones-= num_of_user1_stones; }
            else{
                System.out.println("stones left is lesser than your input");

            
            }

            
            

            System.out.println("Enter the number of stones,user 2:");
            int num_of_user2_stones = user2.nextInt();
            while (true){
                if (num_of_user2_stones == 0){
                    num_of_user2_stones += 1;
    
                }
    
                else if (num_of_user2_stones % 2 == 0){
                    num_of_user2_stones +=1;
    
    
                }
    
                else if (num_of_user2_stones % 2 != 0){
                    break;
                }
    
                num_of_user2_stones =  stones.nextInt();
    
    
        
        }
        
            //scan input from user2
            if (num_of_user2_stones < num_of_stones){
                num_of_user1_stones += num_of_user2_stones;
                //deduct from total_amt_of_stones
                num_of_stones -= num_of_user2_stones; }
            else{
                System.out.println("stones left is lesser than your input");
            }    
            System.out.println("total amount of stones is: "+num_of_stones);
        
            if ( num_of_stones== 0){
                break;
            }
        
        }