A project for Hyperskill's Java Desktop Developer track. By Alibi Zhenis

Adding enums for properties can make the code cleaner and more compact

Supported requests:

• enter a natural number to know its properties;
• enter two natural numbers to obtain the properties of the list:
  • the first parameter represents a starting number;
  • the second parameter shows how many consecutive numbers are to be processed;
• two natural numbers and properties to search for;
• a property preceded by minus must not be present in numbers;
• separate the parameters with one space;
• enter 0 to exit.