public void Last_Dig_6thSet_ReturnFalse()
        {
            // Arrange
            int  a        = 5213;
            int  b        = 99219;
            int  c        = 6165;
            bool expected = false;

            // Act
            bool actual = Challenge12.Last_Dig(a, b, c);

            // Assert
            Assert.AreEqual(expected, actual);
        }
        public void Last_Dig_3rdSet_ReturnTrue()
        {
            // Arrange
            int  a        = 15228;
            int  b        = 9209;
            int  c        = 72162;
            bool expected = true;

            // Act
            bool actual = Challenge12.Last_Dig(a, b, c);

            // Assert
            Assert.AreEqual(expected, actual);
        }
        public void Last_Dig_5thSet_ReturnFalse()
        {
            // Arrange
            int  a        = 123;
            int  b        = 15;
            int  c        = 10;
            bool expected = false;

            // Act
            bool actual = Challenge12.Last_Dig(a, b, c);

            // Assert
            Assert.AreEqual(expected, actual);
        }
        public void Last_Dig_2ndSet_ReturnTrue()
        {
            // Arrange
            int  a        = 12;
            int  b        = 15;
            int  c        = 10;
            bool expected = true;

            // Act
            bool actual = Challenge12.Last_Dig(a, b, c);

            // Assert
            Assert.AreEqual(expected, actual);
        }