using System;

public class Program

{

    public static void Main()

    {

        int n; 

        string temp;

        double suma1 = 0, suma2 = 1, result, i;

        Console.WriteLine("Factorial de un número");

        Console.WriteLine("¿Cuántas veces deseas calcular la serie?");

        {

            temp = Console.ReadLine();  

            if (int.TryParse(temp, out n))

            for(i = 1; i <= n; i++)       

            {           

                result = suma1 + suma2;

                suma1 = suma2;

                suma2 = result;

                Console.WriteLine(suma2 + " + " + suma1 + " = " + (suma1 + suma2));

            }   

        }

    }

}