def sieve(limit):
is_prime = [0, 0] + [1] * (limit-1)
sq = int(limit ** .5)
for i in xrange(2, sq+1):
if is_prime[i]:
for j in xrange(i*i, limit+1, i):
is_prime[j] = 0
return is_prime
res = sieve(int(1e6))
print ' '.join(map(str,[i for i, p in enumerate(res) if p]))