import time

startTime=time.clock()

import primes

n=4

count=0

sum =0

tprimes=[]

while count < 1000000000000000:

primeList=[int(x) for x in str(primes.prime(n))]

good=1

for x in range(1,len(primeList)):

primeL=0

primeR=0

for i in range(len(primeList)-x):

# print primeList

primeL+=(10**(len(primeList)-x-i-1))*primeList[x+i]

primeR+=(10**(len(primeList)-x-i-1))*primeList[i]

# print primeR

if not (primes.isprime(primeL) and primes.isprime(primeR)):

good=0

break

if good:

tprimes.append(primes.prime(n))

count +=1

sum += primes.prime(n)

print tprimes

print sum

n+=1

print tprimes

print sum

endTime=time.clock()

print endTime-startTime