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

namespace _1442
{
    class Program
    {
        static void Main(string[] args)
        {
            Vector2 vectorFirst = new Vector2(2, 4);
            Vector2 vectorSecond = new Vector2(7, 2);

            Console.WriteLine(vectorFirst.ToString());

            Vector2 result1 = vectorFirst + 8;
            Console.WriteLine("({0};{1})", result1.X, result1.Y);

            Vector2 result2 = vectorFirst + vectorSecond;
            Console.WriteLine("({0};{1})", result2.X, result2.Y);

            result1 = vectorFirst * 8;
            Console.WriteLine("({0};{1})", result1.X, result1.Y);

            result2 = vectorFirst * vectorSecond;
            Console.WriteLine("({0};{1})", result2.X, result2.Y);

            result1 = vectorFirst - 8;
            Console.WriteLine("({0};{1})", result1.X, result1.Y);

            result2 = vectorFirst - vectorSecond;
            Console.WriteLine("({0};{1})", result2.X, result2.Y);
        }
    }

    public struct Vector2
    {
        public int X;
        public int Y;

        public Vector2(int x, int y)
        {
            X = x;
            Y = y;
        }

        public static Vector2 operator +(Vector2 vector, int number)
        {
            return new Vector2(vector.X + number, vector.Y + number);
        }

        public static Vector2 operator +(Vector2 vectorFirst, Vector2 vectorSecond)
        {
            return new Vector2(vectorFirst.X + vectorSecond.X, vectorFirst.Y + vectorSecond.Y);
        }

        public static Vector2 operator *(Vector2 vector, int number)
        {
            return new Vector2(vector.X * number, vector.Y * number);
        }

        public static Vector2 operator *(Vector2 vectorFirst, Vector2 vectorSecond)
        {
            return new Vector2(vectorFirst.X * vectorSecond.X, vectorFirst.Y * vectorSecond.Y);
        }

        public static Vector2 operator -(Vector2 vector, int number)
        {
            return new Vector2(vector.X - number, vector.Y - number);
        }

        public static Vector2 operator -(Vector2 vectorFirst, Vector2 vectorSecond)
        {
            return new Vector2(vectorFirst.X - vectorSecond.X, vectorFirst.Y - vectorSecond.Y);
        }

        public override string ToString()
        {
            return "Vector2: x: " + X + ", y: " + Y;
        }
    }
}