using System;

​

namespace chisla

{

    internal class Program

    {

        static void Main(string[] args)

        {

​

            int a, b, c, d, e, f = int.Parse(Console.ReadLine());

            int p;

            p = a + b;

            Console.WriteLine($"a+b={p}");

            p = b + d;

            Console.WriteLine($"b+d={p}");

            p = a + b + d + f;

            Console.WriteLine($"a + b + d + f={p}");

            p = a - b;

            Console.WriteLine($"a-b={p}");

            p = d - e;

            Console.WriteLine($"d-e={p}");

            p = b - f;

            Console.WriteLine($"b-f={p}");

            p = a * c;

            Console.WriteLine($"a*c={p}");

            p = d * e;

            Console.WriteLine($"d*e={p}");

            p = e * f * a;

            Console.WriteLine($"e*f*a={p}");

            p = d / a;

            Console.WriteLine($"d/a={p}");

            p = a / d;

            Console.WriteLine($"a/d={p}");

            p = d % a;

            Console.WriteLine($"d%a={p}");

            p = a % c;

            Console.WriteLine($"a%c={p}");

            double g = (a + b) + c + d;

        }

​

    }

}

​