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: the greatest number which on dividing 1657 and 2037 leaves remainders 10 and 7 respectively , is :
Options: a ) 123 , b ) 1 , c ) 235 , d ) 305 , e ) 505
Example Output: b

Example Input: Problem: if a ' s height is 45 % less than that of b , how much percent b ' s height is more than that of a ?
Options: a ) 66.66 % , b ) 81.81 % , c ) 66.766 % , d ) 86.66 % , e ) 66.65 %
Example Output: b

Example Input: Problem: a computer is programmed to multiply consecutive even integers 2 * 4 * 6 * 8 * * n until the product is divisible by 1947 , what is the value of n ?
Options: a ) 22 , b ) 38 , c ) 62 , d ) 122 , e ) 118
Example Output:
e