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'.

Input: Consider Input: Problem: if [ x ] is the greatest integer less than or equal to x , what is the value of [ - 2.6 ] + [ 1.4 ] + [ 2.7 ] ? 
Options: a ) 0 , b ) 1 , c ) 2 , d ) 6 , e ) 7

Output: a


Input: Consider Input: Problem: point ( m , n ) is on the circle represented by m ^ 2 + n ^ 2 = 10 , and m , n are integers . how many such points are possible ? 
Options: a ) 0 , b ) 2 , c ) 4 , d ) 6 , e ) 8

Output: e


Input: Consider Input: Problem: on an order of 99 dozen boxes of a consumer product , a retailer receives an extra dozen free . this is equivalent to allowing him a discount of : 
Options: a ) 0.1 % , b ) 0.5 % , c ) 1 % , d ) 5 % , e ) 10 %


Output: c