lst = []
sum=0
n = int(input())
if n>-1000 and n<1000:
for i in range(n):
ele = int(input())
lst.append(ele)
for j in lst:
sum=sum+j
if sum>=0:
print(j)
lst = []
sum=0
n = int(input())
if n>-1000 and n<1000:
for i in range(n):
ele = int(input())
lst.append(ele)
for j in lst:
sum=sum+j
if sum>=0:
print(j)