Description

Divide the numbers 1, 2, ..., 9 into 3 groups, forming 3 three-digit numbers respectively, such that these 3 three-digit numbers are in the ratio of 1 : 2 : 3. Find all such sets of 3 three-digit numbers that satisfy the condition.

Input Format

None

Output Format

Several lines, each containing 3 numbers. The lines should be sorted in ascending order based on the first number in each line.

```input1 无 ``` ```output1 直接输出答案 ``` ## Hint

This problem is an answer-submission question. You can write a program or calculate manually on your local machine to obtain the answer, then directly submit the answer text. Alternatively, you can submit a program that generates the answer.

Source

NOIP1998-Junior Division