public static int [] T10A (int x)
        {
            int i, KindOfAct;
            int[] a = new int[3];
            for (i = 0; i < a.Length; i++)
                a[i] = 0;
            for (i = 0; i< x; i++)
            {
                KindOfAct = int.Parse(Console.ReadLine());
                a[KindOfAct]++;
            }
            return a;
        }
        public static int T10B (int [] a , int x)
        {
            if (a[x] > 40)
                return 2;
            return 1;
        }
        public static void Main (string [] args)
        {
            int n = int.Parse(Console.ReadLine());
            int[] arr = T10A(n);
            int sum = 0;
            for (int i = 0; i < arr.Length; i++)
                sum = sum + T10B(arr, i);

        }