Code Abbey. Body Mass Index

namespace BodyMassIndex
{
    using System;

    public class BodyMassIndex
    {
        public static void Main(string[] args)
        {
            checked
            {
                int count = int.Parse(Console.ReadLine());
                double[,] measures = new double[count, 2];
                for (int row = 0; row < count; row++)
                {
                    string inputLine = Console.ReadLine();
                    char[] separators = new char[] { ' ', ',', ';' };
                    string[] numStr = inputLine.Split(separators, StringSplitOptions.RemoveEmptyEntries);
                    for (int col = 0; col < 2; col++)
                    {
                        measures[row, col] = double.Parse(numStr[col]);
                    }
                }

                for (int row = 0; row < measures.GetLength(0); row++)
                {
                    double result = CalculateBodyMassIndexOfOnePerson(measures[row, 0], measures[row, 1]);
                    PrintResultGrade(result);
                }
            }
        }

        private static void PrintResultGrade(double result)
        {
            checked
            {
                if (result < 18.5)
                {
                    Console.Write("under ");
                }
                else if (result >= 18.5 && result < 25.0)
                {
                    Console.Write("normal ");
                }
                else if (result >= 25.0 && result < 30.0)
                {
                    Console.Write("over ");
                }
                else if (result >= 30.0)
                {
                    Console.Write("obese ");
                }
            }
        }

        private static double CalculateBodyMassIndexOfOnePerson(double weight, double height)
        {
            checked
            {
                double bmi = weight / (height * height);
                return bmi;
            }
        }
    }
}