def square(x):
    """returns x squared"""
    return x*x

def difference(x,y):
    """returns the difference between x and y as a positive number"""
    if x > y:
        return x-y
    else:
        return y-x


num1 = float(raw_input("Enter the first number: "))
num2 = float(raw_input("Enter the second number: "))
print "The difference between these numbers is " + str(difference(num1,num2)) + "."
print "The squares of these numbers are " + str(square(num1)) + " and " + str(square(num2)) + "."
print "The difference between the squares is " + str(difference(square(num1),square(num2))) + "."