HW6.30

 import java.util.Scanner;

 public class Solution
 {
     public static void main(String[] args)
     {
         Scanner input = new Scanner(System.in);
         System.out.print("Enter the length of the list: ");
         int length = input.nextInt();
         int[] list = new int[length];
         for(int i = 0; i < length; i++)
             list[i] = input.nextInt();
         input.close();
         System.out.println(isConsecutiveFour(list));
     }

     public static boolean isConsecutiveFour(int[] values)
     {
         if(values.length < 4)
             return false;
         for(int i = 0; i < values.length - 4; i++)
         {
             if(values[i] == values[i + 1] && values[i] == values[i + 2] && values[i] == values[i + 3])
                 return true;
         }
         return false;
     }
 }