第八届福建省大学生程序设计竞赛-重现赛 A Frog

Problem A Frog

Accept: 458    Submit: 573
Time Limit: 1000 mSec    Memory Limit : 262144 KB

Problem Description

Therearex frogs and y chicken in a garden. Kim found there are n heads and m legs in the garden. Please tell Kim how many frogs and chicken are there. (A frog has 4 legs, and a chicken has 2 legs.)

Input

First line contains an integer T (1 ≤ T ≤ 10), represents there are T test cases.

For each test case: Two number n and m.

1<=n, m <=100000. The data is legal.

Output

For each test case, output two numbers A and B – the number of frog and the number of chicken.

Sample Input

22 62 4

Sample Output

1 10 2

标准的鸡兔同笼问题， 只不过兔子变成了青蛙。