using System;
public class Program
{
public static void Main()
int x = 7;
Console.WriteLine(x +7); // outputs 14 // x is 4
Console.WriteLine (x+=7); //outputs 14 // x is 14
Console.WriteLine(x -2); //outputs 12 // x is 14
Console.WriteLine(x*=2); //outputs 28 // x is 28
Console.WriteLine(x*2); //outputs 56
Console.WriteLine(x);
}
