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The MAX

Time Limit: 4000/2000 MS (Java/Others)    Memory Limit: 32768/32768 K (Java/Others)
Total Submission(s): 2891    Accepted Submission(s): 1309


Problem Description
Giving N integers, V1, V2,,,,Vn, you should find the biggest value of F.
 

Input
Each test case contains a single integer N (1<=N<=100). The next line contains N integers, meaning the value of V1, V2....Vn.(1<= Vi <=10^8).The input is terminated by a set starting with N = 0. This set should not be processed.
 

Output
For each test case, output the biggest value of F you can find on a line.
 

Sample Input
2
1 2
0
 

Sample Output
4017
 

Source
HDU 2009-4 Programming Contest
 

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