int i = 5;

if (i % 2 == 0)

{

    // even

}

else

{

    // odd

}

int i = 5;

if (i % 2 == 0)

{

    // even

}

else

{

    // odd

}

int num = 100;

​

if (num % 2 == 0){

  Console.WriteLine($"{num} is an even number");

}

else if (num % 2 != 0){

  Console.WriteLine($"{num} isn't an even number");

}

​

// wait before closing

Console.ReadKey();

bool IsEven = ( number %2) == 0

bool IsOdd = ( number %2) == 1

    static int counter = 0;

    public int maxstrairs = 100;

    void Start()

    {

        counter++;

        if(counter < maxstrairs)

        {

            dothestairs();

        }

​

    }

​

    private void dothestairs()

    {

        if (counter % 2 == 0)

        {

            // even

        }

        else

        {

           // odd

        }

    }

Its the biggest piece of dog sh*t.

number % 2 == 0;