for (int m = 0; m < numMice; m++)
                    {
                        int pow = 1;
                        string s = lines[lineNum++];

                        Animal mouse = new Animal();
                        
                        int val = 0;

                        for(int l = s.Length - 1; l >= 0; l--)
                        {
                            if(s[l] == ' ')
                            {
                                pow = 1; mouse.Y = val;
                            }
                            else
                            {
                                val += (s[l] - 48) * pow;
                                pow *= 10;
                            }
                        }

                        mouse.X = val;
                        mice.Add(mouse);
                    }