using System;

public class Program

{

    public static void Main()

    {

        string name = Console.ReadLine();

        string type = "unknown";

        switch(name){

            case "banana":

                type = "fruit";

                break;

            case "apple":

                type = "fruit";

                break;

                case "kiwi":

                type = "fruit";

                break;

            case "cherry":

                type = "fruit";

                break;

                case "lemon":

                type = "fruit";

                break;

            case "grapes":

                type = "fruit";

                break;

            case "tomato":

                type = "vegetable";

                break;

            case "cucumber":

                type = "vegetable";

                break;

            case "pepper":

                type = "vegetable";

                break;

            case "carrot":

                type = "vegetable";

                break;

        }

        if(name == "banana" || name == "apple" || name == "kiwi" || name == "cherry" || name == "lemon" || name == "grapes"){

            type = "fruit";

        }

        else if( name == "tomato" || name == "cucumber" || name == "pepper" || name == "carrot"){

            type = "vegetable";

        }

        else{

            type = "unknown";

        }

        Console.WriteLine(type);

    }

}