primes = [2]
a = 3
while len(primes) < 10001:
for p in primes:
if (a % p == 0 or p > sqrt(a)):
break
else:
primes.append(a)
a += 2
print primes[-1:]
cHJpbWVzID0gWzJdCgphID0gMwp3aGlsZSBsZW4ocHJpbWVzKSA8IDEwMDAxOgoJZm9yIHAgaW4gcHJpbWVzOgoJCWlmIChhICUgcCA9PSAwIG9yIHAgPiBzcXJ0KGEpKToKCQkJYnJlYWsKCWVsc2U6CgkJcHJpbWVzLmFwcGVuZChhKQoJYSArPSAyCgpwcmludCBwcmltZXNbLTE6XQ==