FruitorVegetable

using System;

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