class Test
{
	public int rollNo;
	public int mathsMarks;
	public static int totalMathMarks;
}

class TestDemo
{
	public static void main()
	{
		Test stud1 = new Test();
		stud1.rollNo = 1;
		stud1.mathsMarks = 40;

		stud2.rollNo = 2;
		stud2.mathsMarks = 43;

		Test.totalMathsMarks = stud1.mathsMarks + stud2.mathsMarks;
	}
}