static void Main(string[] args)
Console.WriteLine("Enter the current temperature. ");
int temp = int.Parse(Console.ReadLine());
Console.WriteLine("At {0} degrees centigrade,\nwater will be a solid.",temp);
else if (temp > 0 && temp < 100)
Console.WriteLine("At {0} degrees centigrade,\nwater will be a liquid.", temp);
Console.WriteLine("At {0} degrees centigrade,\nwater will be a gas.", temp);