Rohan bought new book Puzzleria in which he has to solve the puzzle.
So,now he need your help to solve one of the puzzle were he is given X consonant
and Y vowels to make a word from it whose length is equals to X + Y.
So now your are given the number of consonant and vowels and has to tell how many words can be formed out of it.

INPUT

First line will be T Testcase (T<50) followed by T lines with two number in each line ,first number is for consonant(consonants ≤ 7)and second is for vowels(vowels ≤ 5).

OUTPUT

It should contain number of words which can be made with given combination.

Repetition of alphabets is not allowed

SAMPLE INPUT
1
5 2

SAMPLE OUTPUT
1058400

Explanation

Here we have 1 testcase with 5 consonant and 2 vowels and when we made words for these combination we get 1058400

见题面

见题面