i= int(256)
#x= int(input("Введите x"))
x = 1.25
summ = float (i/(x**2))
while i >=2:
    i = i // 2
    summ = (x**2)+(i/summ)
    print ("step i={}, summ={}".format(i,summ))
summ=x/summ

print("Result for x={} is {}".format(x, summ))