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Random r = new Random();
do
{
    double d = r.NextDouble();
    double x = (d + 1) * 1070000000;
    int y = (int)x;
    if (y == -y)
        break;
} while (true);
Console.WriteLine("Exit");

Random r = new Random();
do
{
    double d = r.NextDouble();
    double x = (d + 1) * 1080000000;
    int y = (int)x;
    if (y == -y)
        break;
} while (true);
Console.WriteLine("Exit");

o In an unchecked context, the conversion always succeeds, and proceeds as follows.
• The value is rounded towards zero to the nearest integral value. If this integral value is within
the range of the destination type, then this value is the result of the conversion.
• Otherwise, the result of the conversion is an unspecified value of the destination type.

Console.WriteLine(unchecked((int)1E100));