Equations in Disguise

Problem Number: 
11 199
Type of Problem: 
Single Output Problem
Problem Category: 
Volume 111 (11,100-11,199)
Input: 
Random Input
0
0
Critical Input: 
Random Input: 
2 abcdefedcba hijfabcde 2 abcdefghijk kcachlflfgd 12 aaeaa bbebb ccecc ddedd ffeff ggegg hhehh iieii jjejj ikiei jkmem akaeb 3 abcdefghijk jbaefcgbga jbcfl 0
Problem Description Link: 
https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=1…
Problem Id: 
11199