using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace ConsoleApplication1
{
    class Program
    {

         static bool Equal(int[] a, int num)
        {
            bool flag;
            int counter=0;
            for (int i = 0; i < a.Length; i++)
            {
                if (num == a[i])
                    counter++;
            }
            if (counter > 0)
            {
                flag = true;
                return flag;
            }
            if (counter == 0)
            {
                flag = false;
                return flag;

        }
        static void Main(string[] args)
        {
            int[] a = new int[6];
            for (int i = 0; i < 6; i++)
            {
                Console.WriteLine("insert number");
                a[i] = int.Parse(Console.ReadLine());
            }
            Console.WriteLine("insert number");
            int num=int.Parse(Console.ReadLine());
            bool eqalp = Equal(a,num);
            if (eqalp)
                Console.WriteLine("good");
            if(eqalp==false)
                Console.WriteLine("bad");


        }
    }
}