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

namespace ConsoleApplication1
{
    class Program
    {
        public delegate int Plus(int number);

        static void Main(string[] args)
        {
            Plus plusWat;
            int result;

            plusWat = Plus1;
            result = plusWat(1);
            Console.WriteLine(result);

            plusWat = Plus2;
            result = plusWat(1);
            Console.WriteLine(result);

            Console.WriteLine(DoeIets(6, Plus2));

            Console.ReadLine();
        }

        public static int DoeIets(int number, Plus function)
        {
            return function(number);
        }

        public static int Plus1(int number)
        {
            return number + 1;
        }

        public static int Plus2(int number)
        {
            return number + 2;
        }
    }
}