using System;
using System.Collections.Generic;
using System.Text;

namespace ConsoleApplication2
{
	class Math
	{
		public int Add(int left, int right)
		{
			return left + right;
		}

		public int Subtract(int left, int right)
		{
			return left - right;
		}

		public int Multiply(int left, int right)
		{
			return left * right;
		}

		public float Divide(float left, float right)
		{
			return left / right;
		}
	} // Koniec klasy Math

	class Program
	{
		static void Main(string[] args)
		{
			Math m = new Math();
			int sum = m.Add(3, 5);
			int difference = m.Subtract(3, 5);
			int product = m.Multiply(3, 5);
			float quotient = m.Divide(3.0f, 5.0f);

			Console.WriteLine(
			   "suma: {0}, różnica: {1}, iloczyn: {2}, iloraz: {3}",
			   sum, difference, product, quotient);
		}
	}
}

