public static void Main()
String nim, nama, nabsen, ntugas, nuts, nuas;
double nakhir, n_absen, n_tugas, n_uts, n_uas;
Console.Write("\n Nim : ");
nim = Console.ReadLine();
Console.Write(" Nama : ");
nama = Console.ReadLine();
nabsen = Console.ReadLine();
Console.Write(" Nilai Tugas : ");
ntugas = Console.ReadLine();
Console.Write(" Nilai UTS : ");
nuts = Console.ReadLine();
Console.Write(" Nilai UAS : ");
nuas = Console.ReadLine();
n_absen = Convert.ToDouble(nabsen);
n_tugas = Convert.ToDouble(ntugas);
n_uts = Convert.ToDouble(nuts);
n_uas = Convert.ToDouble(nuas);
nakhir = (n_absen * 10/ 100)+(n_tugas* 20 / 100)+(n_uts* 30/100) + (n_uas* 40 / 100);
Console.WriteLine(" Nilai Akhir :{0}", nakhir);
Console.WriteLine(" Grade : A");
Console.WriteLine(" Grade : B");
Console.WriteLine(" Grade : C");
Console.WriteLine(" Grade : D");
Console.WriteLine(" Grade : E");