/**
***********************************************************
 Nafn skraar: T103Fv4_9.cs
 Hofundur...: Ragnar Geir Brynjólfsson
 Dagsetning.: 04.06.2010
***********************************************************
*/
using System;
class T103Fv4_9 {
  static void Main () {
    Console.Write("Sladu inn verd voru fyrir laekkun: ");
    float verd_fyrir = (float) Convert.ToDouble(Console.ReadLine());
    Console.Write("Sladu inn prosentu verdlaekkunar: ");
    float verdlaekkun = (float) Convert.ToDouble(Console.ReadLine());
    float verd_eftir = (1 - verdlaekkun / 100) * verd_fyrir;
    Console.WriteLine("Verd vorunnar eftir laekkun er "
                   + verd_eftir + " kronur.");
  }
}