# your code goes here
x = [5,8,-10,2,5,5]
prefix = [0] * len(x)
prefix[0] = x[0]
for i in range(1, len(x)):
prefix[i]=prefix[i-1]+x[i]
max_sum=0
for i in range(1, len(x)):
max_sum = max(prefix[i-1] + x[i], x[i])
print(max_sum)
IyB5b3VyIGNvZGUgZ29lcyBoZXJlCnggPSBbNSw4LC0xMCwyLDUsNV0KCnByZWZpeCA9IFswXSAqIGxlbih4KQpwcmVmaXhbMF0gPSB4WzBdCgpmb3IgaSBpbiByYW5nZSgxLCBsZW4oeCkpOgoJcHJlZml4W2ldPXByZWZpeFtpLTFdK3hbaV0KCm1heF9zdW09MApmb3IgaSBpbiByYW5nZSgxLCBsZW4oeCkpOgoJbWF4X3N1bSA9IG1heChwcmVmaXhbaS0xXSArIHhbaV0sIHhbaV0pCgpwcmludChtYXhfc3VtKQoJ