// Int64 = signed eight bytes integer within the range of: -9223372036854775808 to 9223372036854775807
// UInt64 = unsigned eight bytes integer within the range of: 0 to 18446744073709551615
using System;
class Program
{
static void Main() {
Console.WriteLine("range of {0} to {1}", Int64.MinValue, Int64.MaxValue);
Console.WriteLine("range of {0} to {1}", UInt64.MinValue, UInt64.MaxValue);
}
}
/*
run:
range of -9223372036854775808 to 9223372036854775807
range of 0 to 18446744073709551615
*/