static void Main(string[] args)
{
FibonacciGenerator fg = new FibonacciGenerator();
BigInteger num = fg.NextLargeNumber();
BigInteger result;
int index = 4;
while (true)
{
index++;
result = num = fg.NextLargeNumber();
bool outOfEdge = true;
for (int i = 0; i < 999; i++)
{
num = num / 10;
if (num == 0)
{
outOfEdge = false;
break;
}
}
if (outOfEdge)
{
break;
}
}
Console.WriteLine(result.ToString() + " index of " + index);
}