using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace lesson4operators {
    class Program {
        static void Main(string[] args) {
            Console.WriteLine(5);
            Console.WriteLine(+5);
            Console.WriteLine(5 + 5);
            Console.WriteLine(5 + .5);
            Console.WriteLine("5" + "5");
            Console.WriteLine("5" + 5);


            Console.WriteLine("minus section");
            int a = 5;
            Console.WriteLine(a - 1);
            Console.WriteLine(-a);

            Console.WriteLine("wth is negation operator used for?");

            Console.WriteLine("double") //i dont understand double. why cant i use int?
            ; double x = 1.5; //why does it need a semicolon at the beginning?
            Console.WriteLine(x);
            Console.WriteLine(x++);
            Console.WriteLine(x);
            Console.WriteLine(++x);
            Console.WriteLine(x);


            Console.WriteLine("if");
            int b = 2;
            Console.WriteLine(b);
            Console.WriteLine(++b);

            int c = 10;
            int d = 8;

            if (c > 9) {
                if (d > 9) {
                    Console.WriteLine("result 1");
                }
                else {
                    Console.WriteLine("result 2");
                }
            }

            if (c > 9) {
                if (d > 9) {
                    Console.WriteLine("result 1");
                }
                else {
                    Console.WriteLine("result 2"); //why don't two 'result 2's appear ?
                }
            }


            Console.WriteLine("totally modulus dood");
            Console.WriteLine(5 % 2);
            Console.WriteLine(5 % 2.2);
            Console.WriteLine(5 % 5);

            //ignore shifts?

            Console.WriteLine(1 is int);
            Console.WriteLine("dog" is int); //these say always and never so im not sure when its supposed to be used

            Console.ReadLine();
        }
    }
}