using System;

public class Program

{

    public static void Main()

    {

        double num;

        Console.WriteLine("How old are you?");

        num = Convert.ToDouble(Console.ReadLine());

        if (num < 7.00)

            Console.WriteLine("You are children");

        if (num < 15.00)

            Console.WriteLine("You are teenager");

        if (num < 21.00)

            Console.WriteLine("You are man/woman");

        if (num < 59.00)

            Console.WriteLine("You are big man/ big woman");

        else

            Console.WriteLine("You are granndpa/granny");

    }

}