import java.io.*;

public 
class Main
{
   public static void main(String args[])
   {
      double a, b;
      Reader r = new BufferedReader(new InputStreamReader(System.in));
      StreamTokenizer inp = new StreamTokenizer(r);
      
      try{
      System.out.println("Podaj a:");
      inp.nextToken();
      a = inp.nval;
      
      System.out.println("Podaj b:");
      inp.nextToken();
      
      b = inp.nval;
      
      System.out.println("Podales a = " + a + " b = " + b);
      }
      catch (IOException e){
         System.out.println("Blad odczytu!");
      }
   }
}
