Hexlet tests and linter status:

Brain game 1: does number is even

Game task: answer the question "Does number is even?". Answer "yes" if the number is even, otherwise answer "no"

Command: brain-even

Brain game 2: calculator

Game task: calculate an expression

Command: brain-calc

Brain game 3: the greatest common divisor

Game task: find the greatest common divisor of given numbers

Command: brain-gcd

Brain game 4: arithmetic progression

Game task: calculate missing number in the progression

Command: brain-progression

Brain game 5: does number is prime

Game task: answer the question "Does number is prime?". Answer "yes" if given number is prime, otherwise answer "no"

Command: brain-prime