using System;

public class Program

{

    public static void Exercice6()

    {

        int x=0, y=0; 

        Console.WriteLine("Veuillez saisir deux entiers svp");

        x=Convert.ToInt32(Console.ReadLine()); 

        y=Convert.ToInt32(Console.ReadLine()); 

        Console.WriteLine("x+y=" + (x+y)); 

        Console.WriteLine("x*y=" + (x*y));

        double div=Convert.ToDouble(x)/y;

        Console.WriteLine("x/y=" + div);

        float moy=(x+y)/2f;

        Console.WriteLine("moyenne=" + moy);

    }

    public static void Main()

    {

        Exercice6();

    }

}