def is_prime(n):
        status = True
        if n < 2:
            status = False
        else:
            for i in range(2,n):
                if n % i == 0:
                    status = False
        return status
for n in range(99990000,99999999
):
    if is_prime(n):
        if n==97:
            print n
        else:
            print n,",",