Present Delivery

package com.company;


import java.util.*;
import java.util.stream.Collectors;


public class Main {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        List<Integer> members = Arrays.stream(scanner.nextLine().split("@"))
                .map(Integer::parseInt)
                .collect(Collectors.toList());

        List<String> commands = Arrays.stream(scanner.nextLine().split(" "))
                .collect(Collectors.toList());
         int position = 1;
         boolean allEqual = true;
         int count = 0;
         int house = 0;

        System.out.println();
        while (!commands.contains("Merry")){

            String jump1 = commands.get(1);
            int jump = Integer.parseInt(jump1);

            position += jump;

            if (position > members.size()){
                position = position % members.size();
            }
            house = position-1;
            if (members.get(house) == 0){
                System.out.printf("House %d will have a Merry Christmas.\n",
                        members.indexOf(members.get(house)));
            }else {
                members.set(position - 1, members.get(house) - 2);
            }

            commands=Arrays.stream(scanner.nextLine().split(" "))
                    .collect(Collectors.toList());
        }



        System.out.printf("Santa's last position was %d.\n",house);
        for (int i = 1; i < members.size(); i++) {
            if (!members.get(0).equals(members.get(i))){
                allEqual = false;
            }
        }
        if (allEqual){
            System.out.println("Mission was successful.");
        }else{
            for (int i = 1; i < members.size(); i++) {
                if (members.get(1) != 0){
                    count +=1;
                }
            }
            System.out.printf("Santa has failed %d houses.",count);
        }
    }
}