using System;

public class Test
{
	public static void Main()
	{
		int x, y = 5;  // y = 5;
		Console.WriteLine(y);
		
		x = ++y * 2;  // y = 6 (bo ++y zwieksza poprzednia wartosc o 1), x = 6 * 2 = 12
		Console.WriteLine("{0}\t{1}", x, y);
		
		x = y++; // y = 7, x = 6 (bo operator post zwraca 'stara' wartosc)
		Console.WriteLine("{0}\t{1}", x, y);
		
		x = y--; // y = 6, x = 7 (jw.)
		Console.WriteLine("{0}\t{1}", x, y);
		
		Console.WriteLine(++y); // y = 7, x = 7
		Console.WriteLine("{0}\t{1}", x, y);
		
		Console.ReadKey();
	}
}