static void Main(string[] args)
int so1, so2, soTiepTheo,i;
Console.WriteLine("Tim day so Fibonacci");
Console.WriteLine("Nhap so 1: ");
so1 = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("Nhap so 2: ");
so2 = Convert.ToInt32(Console.ReadLine());
Console.WriteLine("------ KET QUA ------");