Console.writeline ("Please enter username")
username = Console.readline()
Console.writeline("Now enter password")
password = console.readline()
If username = "20NashE?" Then
If Password = "Wh4oK/L" Then
Console.Writeline("Welcome back")
console.writeline("Please enter the first value")
console.writeline("Please enter second value")
console.writeline("The answer is " &c)
Console.writeline("Please try again")