EXTRA 1 CONSOLA

PSEUDOCODIGO
1. INICIO

int valor, sum, prom, n;
n = 0;
sum = 0;
do
{
Imprimir "Introduce un valor numerico: "
Leer valor
sum=sum+valor;
n=n+1;
}
while (valor!=9999)
sum = sum - 9999;
n = n - 1;
prom = sum / n;
Imprimir "El promedio es: ", prom
FIN
Codigo:

namespace examen_1
{
class Program
{
static void Main(string[] args)
{
int valor, sum, n;
double prom;
n = 0;
sum = 0;
do
{
Console.Write("\nIntroduce el Valor Numerico: ");
valor = int.Parse(Console.ReadLine());
sum = sum + valor;
n = n + 1;
}
while (valor != 9999);
sum = sum - 9999;
n = n - 1;
prom = sum / n;
Console.WriteLine("\n\n\t\tEl Promedio es: {0} ", prom);
Console.ReadLine();

}
}
}