public static void Main()
Console.WriteLine("Enter principle");
double a = Double.Parse(Console.ReadLine());
Console.WriteLine("Enter rate of interest");
double b = Double.Parse(Console.ReadLine());
Console.WriteLine("Enter time period");
int c = Int32.Parse(Console.ReadLine());
double SI = a * b * c / 100.0;
Console.WriteLine("Calculated Simple Interest Rs " + SI + ".");