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'.

Example Input: Problem: 3 times the first of 3 consecutive odd integers is 3 more than twice the third . the third integer is ? 
Options: a ) 15 , b ) 17 , c ) 19 , d ) 21 , e ) 26
Example Output: a

Example Input: Problem: if a ( a + 2 ) = 99 and b ( b + 2 ) = 99 , where a ≠ b , then a + b = 
Options: a ) - 2 , b ) - 5 , c ) - 8 , d ) - 10 , e ) - 12
Example Output: a

Example Input: Problem: what is the least number which should be added to 2782 so that the sum is exactly divisible by 5 , 6 , 4 , and 3 ? 
Options: a ) 26 , b ) 32 , c ) 38 , d ) 46 , e ) 52
Example Output:
c