public static void Main()
Console.WriteLine("enter the marks of subject l1");
int l1 = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("enter the marks of subject l2");
int l2 = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("enter the marks of subject E ");
int E = Convert.ToInt32(Console.ReadLine());
int result = l1 + l2 + E / 100 ;
Console.WriteLine("Result is: "+ result);