using System;

public class Program

{

    public static void Main()

    {

        // Emir SEYDULAH

        // operatörlerimiz + - * / % ++ --

        int a=5;

        int b=2;

        int c=25;

        int d=30;

        Console.WriteLine(a+b);

        Console.WriteLine(c-a);

        Console.WriteLine(d/b);

        Console.WriteLine(a*c);

        Console.WriteLine(d%a);

        Console.WriteLine(a);

        a++;

        Console.WriteLine(a);

        a+=6;

        Console.WriteLine(a);

        b--;

        Console.WriteLine(b);

        b-=6;

        Console.WriteLine(b);

    }

}