问题

输出7和7的倍数，还有包含7的数字例如（17，27，37...70，71，72，73...）

输入

一个整数N。(N不大于30000)

输出

从小到大排列的不大于N的与7有关的数字，每行一个。 -Problem

Multiples of 7 and 7 outputs, as well as contains 7 figures such as (17,27,37 ... 70,71,72,73 ...)

Enter

An integer N. (N is not greater than 30000)

Output

Arranged from small to large is not greater than N, and 7 the figures, one per line.