import java.io.*;
class main_c
{
  public static void main( String args[] )
  {
    BufferedReader kbd_reader = 
      new BufferedReader(
      new InputStreamReader( System.in ) );
    int a, b;
    String buf;

    try
    {      
      System.out.print( "Ge sida a: ");
      buf = kbd_reader.readLine();
      a = Integer.parseInt( buf );

      System.out.print( "Ge sida b: ");
      buf = kbd_reader.readLine();
      b = Integer.parseInt( buf );

      rektangel_c rektangel = 
        new rektangel_c( a, b );

      System.out.println( 
        "Area: " + rektangel.area() );
      System.out.println( 
        "Omkrets: " + rektangel.omkrets() );
    } // try

    catch ( IOException exc )
    {
      System.out.println( "Kunde inte läsa!" );
    } // catch

  } // main
} // main_c