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: how many points ( x , y ) lie on the line segment between ( 32 , 12 2 / 3 ) and ( 7 , 17 2 / 3 ) such that x and y are both integers ? 
Options: a ) one , b ) 4 , c ) 5 , d ) 8 , e ) 9

Ex Output:
c


Ex 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

Ex Output:
e


Ex Input:
Problem: if a certain number x is divided by 62 , the reminder is 7 . what is the reminder when x + 11 is divided by 31 ? 
Options: a ) 3 , b ) 5 , c ) 18 , d ) 6 , e ) 8

Ex Output:

c