In this task, you need to answer the given multiple-choice question on the general math. Classify your answers into 'a', 'b', 'c', 'd', and 'e'.

Ex Input:
Problem: find large number from below question the difference of two numbers is 1365 . on dividing the larger number by the smaller , we get 6 as quotient and the 15 as remainder 
Options: a ) 1235 , b ) 1346 , c ) 1378 , d ) 1635 , e ) 1489

Ex Output:
d


Ex Input:
Problem: the maximum number of student amoung them 1204 pens and 840 pencils can be distributed in such a way that each student gets the same number of pens and same number of pencils is : 
Options: a ) 91 , b ) 28 , c ) 56 , d ) 89 , e ) none of these

Ex Output:
b


Ex Input:
Problem: a student got 72 % in math and 84 % in history . to get an overall average of 75 % , how much should the student get in the third subject ? 
Options: a ) 65 % , b ) 67 % , c ) 69 % , d ) 71 % , e ) 73 %

Ex Output:

c