class CMostrarDatos
{
  /*
   * Mostrar datos 
   */

  public static void main (String[] args)
  {
    double a = 0, b = 0;
    int c = 0;
    String s;

    a = 3.14; b = 2.71; c = 2;
    s = "Datos";

    System.out.println(s + ": ");
    System.out.println(" a = " +  a);
    System.out.println(" b = " +  b);
    System.out.println(" c = " +  c);
  }
}