public
class Main
{
   public static void main(String args[])
   {
      int a, b, c;
      a = 10;
      b = 25;
      c = b - a;
      System.out.println("a = " + a);
      System.out.println("b = " + b);
      System.out.println("b - a = " + c);
      c = a * b;
      System.out.println("a * b = " + c);
   }
}
