The task is to generate the correct answer for a given math problem.

Input: Consider Input: Problem: 12 . what is the dividend . divisor 17 , the quotient is 9 and the remainder is 10 .

Output: 163


Input: Consider Input: Problem: of the seven - digit positive integers that have no digits equal to zero , how many have two digits that are equal to each other and the remaining digit different from the other two ?

Output: 152409600


Input: Consider Input: Problem: a fair 2 sided coin is flipped 7 times . what is the probability that tails will be the result at least twice , but not more than 7 times ?


Output: 119 / 128