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