using System; 

public class Program 

{ 

 public static void Main() 

 { 

    Console.Write("a="); 

    double a = Convert.ToInt32(Console.ReadLine());     Console.Write("b="); 

    int b = Convert.ToInt32(Console.ReadLine());    Console.WriteLine("Összegük: " + (a+b)); 

    Console.WriteLine("Különbségük: " + (a-b)); 

    Console.WriteLine("Szorzatuk: " + (a*b)); 

    Console.WriteLine("Hányadosuk: " + (a/b)); 

 } } 

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