#! /usr/bin/env python
# -*- coding:utf-8 -*-
# @Time    : 2017/5/31 10:06
# @Author  : xiongyaokun
# @Site    : 
# @File    : 123.py
# @Software: PyCharm

for i in range(1,100):
    if i % 7 == 0:
        print i