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

namespace ConsoleApp1
{
    public class Calculator
    {
        public double Addiction(double x, double y) => x + y;
        public double Subtraction(double x, double y) => x - y;
        public double Multipliction(double x, double y) => x * y;
        public double Division(double x, double y) => x / y;
        public long Multipliction(long x, long y) => x * y;
        public long Addiction(long x, long y) => x + y;
    }
}