static string readString ( string prompt )
Console.Write ( prompt ) ;
result = Console.ReadLine ();
} while ( result == "" ) ;
static int readInt ( string prompt, int low, int high )
string intString = readString (prompt) ;
result = int.Parse(intString);
} while ( ( result < low ) || ( result > high ) );
public static void Main()
int num = readInt("enter number: ", 1, 5);
string num2 = readString("enter letter: ");