Task: Question Answering
Input (English): Problem: s ( n ) is a n - digit number formed by attaching the first n perfect squares , in order , into one integer . for example , s ( 1 ) = 1 , s ( 2 ) = 14 , s ( 3 ) = 149 , s ( 4 ) = 14916 , s ( 5 ) = 1491625 , etc . how many digits y are in s ( 99 ) ? 
Options: a ) y = 350 , b ) y = 353 , c ) y = 354 , d ) y = 356 , e ) y = 357
Output (English): b