using System;

​

public class Program

{

    public static void Main()

    {

        int temp;

        Console.WriteLine("Please input the temperature");

        temp = int.Parse(Console.ReadLine());

        if (temp < 0)

            Console.WriteLine("freezing");

        else if (temp < 10)

            Console.WriteLine("very cold");

        else if (temp < 20)

            Console.WriteLine("cold");

        else if (temp < 30)

            Console.WriteLine("normal");

        else if (temp < 40)

            Console.WriteLine("hot");

        else

            Console.WriteLine("Very hot");

    }

}