//C#:


	//Standard bemenetrol szam beolvasas:
	
	long a, b;
	string s = Console.ReadLine();
	string[] szamok = s.Split(' ');
	a = Convert.ToInt32(szamok[0]);
	b = Convert.ToInt32(szamok[1]);
	

	//EOF-ig while:
	
    string x;
	x =  Console.ReadLine();

    while (true)
    {
        if (x == null) break;
        x = Console.ReadLine();
    }
	
	
	//Split hasznalata:
	
	string par;
	par = Console.ReadLine();
    string[] s = par.Split(' ');
	
	
	//Float formazas:
	
	// just two decimal places
	String.Format("{0:0.00}", 123.4567);      // "123.46"
	String.Format("{0:0.00}", 123.4);         // "123.40"
	
	// max. two decimal places
	String.Format("{0:0.##}", 123.4567);      // "123.46"
	String.Format("{0:0.##}", 123.4);         // "123.4"

	//thousands separator
	String.Format("{0:0,0.0}", 12345.67);     // "12,345.7"
	String.Format("{0:0,0}", 12345.67);       // "12,346"

	

//Java:
	
	
	//Standard bemenetrol scanner hasznalata:
	
	Scanner sc = new Scanner(System.in);
	String s=sc.nextLine();
	

	//Int-e alakitas:
	
	int x=Integer.parseInt(sc.nextLine());
	
	
	//SPACE szerint splitteles:
	
	String par=sc.nextLine();
    s = par.split("\\s");
	
	
	//Ket string osszehasonlitasa:
	
	s.equals("Valami");


	//String.Format:

	System.out.println(String.format( "%.2f" ,x ));