public static void test1()
{
Console.WriteLine("Testing NbYear");
testing(Arge.NbYear(1500, 5, 100, 5000), 15);
testing(Arge.NbYear(1500000, 2.5, 10000, 2000000), 10);
testing(Arge.NbYear(1500000, 0.25, 1000, 2000000), 94);
}
static void Main(string[] args)
{
Console.WriteLine(Arge.NbYear(1500, 5, 100, 5000));
}