using System;

public class Program

{

    public static void Main()

    {

        String lse1, lse2;

        int lsp1, lsp2;

        Console.WriteLine("dame el primer elemento");

        lse1 = Console.ReadLine();

        Console.WriteLine("dame el peso atomico de {0}: ", lse1);

        lsp1 = Convert.ToInt32(Console.ReadLine());

//1,00784       

        Console.WriteLine("dame el segundo elemento");

        lse2 = Console.ReadLine();

        Console.WriteLine("dame el peso atomico de {0}: ", lse2);

        lsp2 = Convert.ToInt32(Console.ReadLine());

//107,8682      

    }

}