At Most Twice

Problem Number: 
13 004
Type of Problem: 
Single Output Problem
Problem Category: 
Volume 130 (13,000-13,999)
Input: 
Random Input
0
0
Critical Input: 
Random Input: 
520721960 3620429622341 65124 448 638484157232987949 206278875 554492346 91 3627 372457899232344 759 39 65968 676149869 5013 458 169698146 313113763 681376088 926 950375979 638972012 889 372457890 6392 2292792823 455487 34961 539347 48 350502624 73048 27 47 99342232342342234 530 638972012 534330 869627 65 72 802691841234 1 2221 331948613 759148724734783 137590 752 59 1000000000000000000
Problem Description Link: 
https://uva.onlinejudge.org/index.php?option=com_onlinejudge&Itemid=8&category=8…
Problem Analysis Link: 
Flag: 
0
Restrict Problem Hints: 
0
Restrict Problem Inputs: 
0
Problem Id: 
13004