class P07_ShortCircuit_CourseAverage {
	
	public static void main(String[] args)
	{
		int totCourses,totalMarks;
		totCourses=0;
		totalMarks=0;
		
		if (totalMarks/totCourses >=90) //Run-time error: division by zero 
		    System.out.println("Well done!!");
		System.out.println("Program ended.");

		//if (totCourses>0 && totalMarks/totCourses >=90) //OKay
	}
}