class Factorial1 {

   public static void main (String[] args) {

      System.out.println ("5! = 1*2*3*4*5 = " + fact1(5));
   }

   static int fact1 (int number) {

      int result = 1;
      for (int i = 1; i <=5; i++)
         result = result * i;
      return result;
   }
}