using System;

public class Program

{

    public static void Main()

    {

/*

           string stringForFloat = "0.85"; 

        string stringForInt = "12345";

        float num1=float.Parse(stringForFloat);

        int num2=Int32.Parse(stringForInt);

        Console.WriteLine(num2+num1);*/

    /*  string name="肉咖";

            Console.WriteLine("hi{0},你們好呀",name);*/

            /*Console.WriteLine("please enter your name and press enter");

        string myName=Console.ReadLine();

        string myNameUpperCase=String.Format("Upper case:{0}",myName.ToUpper());

        Console.WriteLine(myNameUpperCase);

        string myNameLowerCase=String.Format("Lower case:{0}",myName.ToLower());

        Console.WriteLine(myNameLowerCase);

        string myNameTrimmed=String.Format("Trimmed value:{0}",myName.Trim());

        Console.WriteLine(myNameTrimmed);

        string myNameSubString=String.Format("Substring value:{0}",myName.Substring(0,6));

        Console.WriteLine(myNameSubString);

        Console.WriteLine(myName.ToUpper());

        Console.WriteLine(myName.ToLower());

        Console.WriteLine(myName.Trim());

        Console.WriteLine(myName.Substring(2));*/

        /*string Num1=Console.ReadLine();

        float FloatNum1;

        bool Num1success=float.TryParse(Num1,out FloatNum1);

        if(Num1success)

            Console.WriteLine("good num is"+FloatNum1*2);

        else

            Console.WriteLine("gg");*/

        string Num1=Console.ReadLine();

            float FloatNum1;

            bool  Num1success=float.TryParse(Num1,out FloatNum1);

            if (Num1success)

            Console.WriteLine("Type digital!");

            else

            Console.WriteLine("Type digital!");

    }

}