using System;
using System.Globalization;
public class Example
{
public static void Main()
{
string string2 = "FFFFFF";
try {
int number2 = Int32.Parse(string2,System.Globalization.NumberStyles.HexNumber);
Console.WriteLine(number2);
}
catch (OverflowException) {
Console.WriteLine("'{0}' is out of range of a 32-bit integer.", string2);
}
catch (FormatException) {
Console.WriteLine("The format of '{0}' is invalid.", string2);
}
}
}