Puzzle (1)

Problem Number: 
227
Type of Problem: 
Single Output Problem
Problem Category: 
Volume 2 (200-299)
Input: 
Critical Input
0
0
Critical Input: 
BCDE FGHIJ KLMNO PQRSY TUVWX L0 ABCD FGHIJ KLMNO PQRSY TUVWX R0 TRGSJ XDOKI M VLN WPABE UQHCF AR RB BL0 BCDE FGHIJ KLMNO PQRSY TUVWX A0 ABCDE FGHIJ KLMNO PQRSY T VWX B0 TRGSJ XDOKI M VLN WPABE UQHCF ARRBBLQ0 Z
Random Input: 
Problem Description Link: 
https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=1…
Problem Analysis Link: 
Problem Id: 
227