alabala

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

namespace IP_L01_P2
{
    class A
    {
        public void M1()
        {
            Console.WriteLine("M1");
        }

        public void M2()
        {
            Console.WriteLine("M2");
        }

        public void M3(int n)
        {
            Console.WriteLine(n);
        }

        public void M4(string n)
        {
            Console.WriteLine(n);
        }
    }

    class B
    {
        public int suma(int n)
        {
            return n + 11;
        }

        public int diferenta(int n, int x)
        {
            return n - x - 2;
        }

        public int inmultire(int n)
        {
            return n * 4;
        }

        public int impartire(int n)
        {
            return n / 5;
        }
    }

    class C
    {
        public int suma(int n)
        {
            return n + 5;
        }

        public int diferenta(int n, int x)
        {
            return n - x * 2;
        }

        public int inmultire(int n)
        {
            return n * 5;
        }

        public int impartire(int n)
        {
            return n / 24;
        }
    }


    class Program
    {

        static void Main(string[] args)
        {
            A a = new A();
            a.M1();
            a.M2();
            a.M3(2);
            a.M4("ana are mere");

            B b = new B();
            Console.WriteLine(b.suma(3));
            Console.WriteLine(b.diferenta(2, 4));
            Console.WriteLine(b.impartire(4));

            C c = new C();
            Console.WriteLine(c.suma(3));
            Console.WriteLine(c.diferenta(2, 4));
            Console.WriteLine(c.impartire(4));
        }
    }
}