#! /usr/bin/env python

# Print prime numbers in a given range

def main():

    import sys

    min, max = 2, 0x7fffffff

    if sys.argv[1:]:

        min = int(eval(sys.argv[1]))

        if sys.argv[2:]:

            max = int(eval(sys.argv[2]))

    primes(min, max)

def primes(min, max):

    if 2 >= min: print 2

    primes = [2]

    i = 3

    while i <= max:

        for p in primes:

            if i%p == 0 or p*p > i: break

        if i%p <> 0:

            primes.append(i)

            if i >= min: print i

        i = i+2

if __name__ == "__main__":

    main()