from math import sqrt

def answer(area):
    end_list = []

    def a_function(some_area):
        thing = int(sqrt(some_area)) * int(sqrt(some_area))
        print 'thing is'
        print thing
        #a_square = some_area - thing

        end_list.append(thing)
        #print 'square'
        #print a_square

    def is_square(number):
        if sqrt(number) == int(sqrt(number)):
            return True
        else:
            return False

    if is_square(area):
        end_list.append(area)
    else:

        print end_list
        a_function(area)
        while end_list[-1] != is_square(end_list[-1]):
            a_function(area-sum(end_list))

    return end_list

area = raw_input('num plz')
print answer(int(area))