Nested Loop Lab Cookie Factory

import java.util.Scanner;

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

        int n = Integer.parseInt(scanner.nextLine());
        boolean hasFlour = false;
        boolean hasEggs = false;
        boolean hasSugar = false;


        for (int i = 1; i <= n; i++) {

            String input = scanner.nextLine();

            while (!"Bake!".equals(input)){

                switch (input){
                    case "flour":
                        hasFlour = true;
                        break;
                    case "eggs":
                        hasEggs = true;
                        break;
                    case "sugar":
                        hasSugar = true;
                        break;
                }
                input = scanner.nextLine();
            }

            if (hasEggs && hasFlour && hasSugar){
                  System.out.printf("Baking batch number %d...%n",i);
                  hasEggs = false;
                  hasFlour = false;
                  hasSugar = false;
            } else {
                  System.out.println("The batter should contain flour, eggs and sugar!");
                  i--;
            }
        }
    }
}