from util import RingBuffer
numberwang = "7316717653133062491922511967442657474235534919493496983520312774506326239578318016984801869478851843858615607891129494954595017379583319528532088055111254069874715852386305071569329096329522744304355766896648950445244523161731856403098711121722383113622298934233803081353362766142828064444866452387493035890729629049156044077239071381051585930796086670172427121883998797908792274921901699720888093776657273330010533678812202354218097512545405947522435258490771167055601360483958644670632441572215539753697817977846174064955149290862569321978468622482839722413756570560574902614079729686524145351004748216637048440319989000889524345065854122758866688116427171479924442928230863465674813919123162824586178664583591245665294765456828489128831426076900422421902267105562632111110937054421750694165896040807198403850962455444362981230987879927244284909188845801561660979191338754992005240636899125607176060588611646710940507754100225698315520005593572972571636269561882670428252483600823257530420752963450"
aj = 13
buf = RingBuffer(aj)
dig = {}
for x in numberwang:
i = int(x)
buf.append(i)
arr = buf.get()
boo = False
for y in arr:
if not y:
boo = True
if not boo:
i2 = 0
for z in arr:
if i2 == 0:
i2 = z
else:
i2 *= z
key = ""
for s in arr:
key += str(s)
dig[key] = i2
highest = ('', 0)
for x in dig.items():
if x[1] >= highest[1]:
highest = x
