for a in range(1000, 0, -1):

b = list(range(120,211))

f = True

for x in range(1, 1000):

if not((x % a == 0) or ((x in b) <= ((x % 36 != 0) or ((x+a)<= 272)))):

f = False

if f:

print(a)

break

m=[]

def f(x,a,b):

return (x % a == 0) or ((x in b) <= ((x % 36 != 0) or ((x+a)<= 272)))

for a in range(1,1000):

b=list(range(120,212))

if all(f(x,a,b)==1 for x in range(1,1000)):

m.append(a)

print(max(m))