using System;
class MainClass
{
public static void Main()
{
try
{
checked
{
int Integer1;
int Integer2;
int Sum;
Integer1 = 9999999999;
Integer2 = 2000000000;
Sum = Integer1 + Integer2;
}
}
catch(OverflowException)
{
Console.WriteLine("A mathematical operation caused an overflow.");
}
}
}