public void Part2_Sample()
            {
                var nums = new int[] { 1721, 979, 366, 299, 675, 1456 };

                (var r, var a, var b, var c) = Day1.Part2(nums);

                Assert.True(r);
                Assert.Equal(2020, a + b + c);
                Assert.Equal(241861950, a * b * c);
            }
            public void Part1_Sample()
            {
                var nums = new int[] { 1721, 979, 366, 299, 675, 1456 };

                (var r, var a, var b) = Day1.Part1(nums);

                Assert.True(r);
                Assert.Equal(2020, a + b);
                Assert.Equal(514579, a * b);
            }