1 # 2 # SER 2010. Problem G: Profits 3 # Author: Ryan Stansifer 4 # 5 6 import sys 7 8 # for each data set 1,2,... 9 while True: 10 n = int (sys.stdin.readline()); 11 if n==0: break 12 13 sum = 0; 14 mx = -sys.maxint-1; 15 16 for i in range(n): 17 p = int (sys.stdin.readline()); 18 sum += p; 19 if (sum<p): sum = p; 20 if (sum>mx): mx = sum; 21 22 sys.stdout.write ("%d\n" % mx)