avamsi

limit = 10**6
prime = [True]*limit
for i in range(3, int(limit**.5) + 1, 2):
	if prime[i]:
		prime[i*i: : 2*i] = [False]*len(range(i*i, limit, 2*i))
primes = [2] + [i for i in range(3, limit, 2) if prime[i]]
print(len(primes))

avamsi

limit = 10**6
prime = [True]*limit
for i in xrange(3, int(limit**.5) + 1, 2):
	if prime[i]:
		prime[i*i: : 2*i] = [False]*len(xrange(i*i, limit, 2*i))
primes = [2] + [i for i in xrange(3, limit, 2) if prime[i]]
print len(primes)

avamsi

import numpy

prime = numpy.ones(limit/2, dtype=numpy.bool)
for i in xrange(3, int(limit**.5) + 1, 2):
	if prime[i/2]:
		prime[i*i/2: : i] = False
primes = 2*prime.nonzero()[0] + 1
primes[0] = 2

avamsi

limit = 12345678
prime = [True]*limit
for i in xrange(3, int(limit**.5) + 1, 2):
    if prime[i]:
        prime[i*i : : 2*i] = [False]*len(xrange(i*i, limit, 2*i))

prime[4 : : 2] = [False]*len(xrange(4, limit, 2)) # all even
prime[0] = prime[1] = False

pre = []

avamsi

import os
import random
import sys
import zipfile

try:
	os.mkdir('input')
	os.mkdir('output')
except OSError:
	pass

avamsi

for _ in xrange(int(raw_input())):
    s = raw_input()
    if s[0] == 'R':
        a, b = s[1:].split('C')
        b = int(b)
        ret = []
        while b:
            b, r = divmod(b, 26)
            if r == 0:
                r = 26

avamsi

n = int(raw_input())
for i in xrange(n):
    print '%*s' % (n, '#'*(i + 1))

avamsi

import urllib

url = 'http://example.com/'
igd = 'https://is.gd/create.php'

data = urllib.urlencode({
    'url': url,
    'opt': 1,
    'format': 'simple'
})

avamsi

for _ in xrange(int(raw_input())):
	n = int(raw_input())
	b = bin(n)[2: ]
	i = len(b) - len(b.rstrip('0')) + b.count('1')
	print ['Louise', 'Richard'][i%2]

avamsi

import requests
import json

r = requests.get('https://graph.facebook.com/838978412886942/invitable_friends?fields=picture{url}&limit=1000&access_token=_your_token_')
data = json.loads(r.text)
dpids = [i['picture']['data']['url'].split('_', 2)[1] for i in data['data']]

ind = 0
for i, dpid in enumerate(dpids, 1):
	while True: