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

namespace FruitOrVegetable2
{
    class Program
    {
        private static object stringInput;

        static void Main(string[] args)
        {
            string vegetable = Console.ReadLine();
            string fruit = Console.ReadLine();
            if (stringInput.Equals("banana") || stringInput.Equals("apple") || stringInput.Equals("kiwi") || stringInput.Equals("cherry")
                || stringInput.Equals("lemon") || stringInput.Equals("grapes"))
            {
                Console.WriteLine("fruit");
            }
            else if (stringInput.Equals("tomato") || stringInput.Equals("cucumber") || stringInput.Equals("pepper") || stringInput.Equals("carrot"))
            {
                Console.WriteLine("vegetable");
            }
            else
            {
                Console.WriteLine("unknown");
            }
        }
    }
}