Ruby program to check the given number is an EVEN number using library function

num1 = 20
num2 = 3

if num1.even?()
    print "num1 is an EVEN number\n";
else
    print "num1 is an ODD number\n";
end

if num2.even?()
    print "num2 is an EVEN number\n";
else
    print "num2 is an ODD number\n";
end

Output:

num1 is an EVEN number
num2 is an ODD number