public static void Main()
Console.WriteLine("_____________________________________________________________");
Console.WriteLine("| Subjects |");
Console.WriteLine("|[S1] Filipino [S4] Science [S7] MAPEH |");
Console.WriteLine("|[S2] English [S5] AP [S8] EsP |");
Console.WriteLine("|[S3] Mathematics [S6] TLE [S9] ICT(cOMPUTER) |");
Console.WriteLine("|____________________________________________________________|");
Console.WriteLine(" __________________________________________________");
Console.WriteLine(" | Mode of Payment |");
Console.WriteLine(" |[1] Cash (10% discount) [3]Tree Payments |");
Console.WriteLine(" |[2] Two Payments [4] Four Paymen |");
Console.WriteLine(" |________________________________________________|");
string[] sub = new string[5];
double[] tpm = new double[5];
Console.Write("Select Subject tO Enroll :");
sub[0] = Console.ReadLine();
sub[1] = sub[0].Substring(0, 2);
sub[2] = sub[0].Substring(3, 2);
sub[3] = sub[0].Substring(6, 2);
sub[4] = sub[0].Substring(9, 2);
for( int i = 0;i < sub.Length; i++)
if (sub[i] == "s1" || sub[i] == "S1")
if (sub[i] == "s2" || sub[i] == "S2")
if (sub[i] == "s3" || sub[i] == "S3")
if (sub[i] == "s4" || sub[i] == "S4")
if (sub[i] == "s5" || sub[i] == "S5")
if (sub[i] == "s6" || sub[i] == "S6")
if (sub[i] == "s7" || sub[i] == "S7")
if (sub[i] == "s8" || sub[i] == "S8")
if (sub[i] == "s9" || sub[i] == "S9")
Console.WriteLine(tmp[1]);