using System;
public class Program
{
public static void Main()
string a = Console.ReadLine();
switch (a)
case "banana":
case "apple":
case "kiwi":
case "cherry":
case "lemon":
case "grapes":
Console.WriteLine("fruit");
break;
case "tomato":
case "cucumber":
case "pepper":
case "carrot":
Console.WriteLine("vegetable");
default:
Console.WriteLine("unknown");
}
