public static void Main()
Console.WriteLine("Name");
string name=string.Parse(Console.ReadLine());
Console.WriteLine("roll no");
long roll no=long.Parse(Consol.ReadLine());
Console.WriteLine("percentage");
float percentage=float.Parse(Console.ReadLine());
Console.WriteLine("grade");
char grade=char.Parse(Console.ReadLine());
Console.WriteLine("Name="+name);
Console.WriteLine("roll no="+roll no);
Console.WriteLine("percentage="+percentage);
Console.WriteLine("grade="+grade);