class Thingy {
        public virtual int Add(int a, int b) {
            return a + b;
        }
    }

    class Program {
        static int Main(string[] args) {
            var warmjit = new Thingy();
            warmjit.Add(1, 1);
            var sw = System.Diagnostics.Stopwatch.StartNew();
            var res = Test();
            Console.WriteLine(sw.ElapsedMilliseconds);
            return res;
        }

        static int Test() {
            int y = 0;
            var x = new Thingy();
            for (int i = 0; i < 100000000; i++) {
                y = x.Add(y, i);
            }
            return y;
        }
    }