using System;

public class Program

{

    public static void Main()

    {

        Console.Write("Donja granica: ");

        int dg = Int32.Parse(Console.ReadLine());

        Console.Write("Gornja granica: ");

        int gg = Int32.Parse(Console.ReadLine());

        string equation = "";

        int result = 0;

        for (int i = dg; i <= gg; i++) {

            if (i%2 == 0) continue;

            result += i;

            if (i == dg) { equation += i; }

            else { equation += ("+" + i); }

        }

        Console.WriteLine(equation);

        Console.WriteLine(String.Format("Donja granica je {0}, gornja granica je {1}, a suma = {2} = {3}", dg, gg, equation, result));

    }

}