Background and Source of the Topic

This question is a submission answer question. You can write a program or manually calculate the answer on this machine and submit the answer text directly, or submit an answer generation program.

Source: https://www.luogu.com.cn/problem/P1008

Title Description

Divide the 9 numbers 1, 2,..., 9 into 3 groups, each consisting of 3 three digit numbers, and make these 3 three digit numbers form a ratio of 1:2:3. Try to find all 3 three digit numbers that meet the conditions.

Input format

nothing

Output format

Several lines, each with 3 numbers. Sort in ascending order according to the first digit on each line.

Example

Input data 1

nothing

Output data 1

I won't show it to you

Instructions/Tips

NOIP1998 Popularization Group First Question