using System;

public class Program

{

    public static void Main()

    {

        float a = 1.2f;

        float b = 2.4f;

        Console.WriteLine(a + b);

        string vA = "Hello ";

        string vB = "How are ";

        string vC = "You?";

        Console.WriteLine(vA + vB + vC);

        int vNum1 = 5;

        int vNum2 = 6;

        int vSum = vNum1 + vNum2;

        Console.Write( vNum1 + "+" + vNum2 + "=");

        Console.WriteLine(vSum);

        double va = 1.111111111111;

        double vb = 2.222222222222;

        Console.WriteLine(va + vb);

​

    }

}