import sys
input = lambda :sys.stdin.readline()[:-1]
ni = lambda :int(input())
na = lambda :list(map(int,input().split()))
yes = lambda :print("yes");Yes = lambda :print("Yes");YES = lambda : print("YES")
no = lambda :print("no");No = lambda :print("No");NO = lambda : print("NO")
#######################################################################

n = ni()
h = [10 ** 18] + na()

ans = 0
sk = [0]
for i in range(1, n + 1):
    while sk and h[sk[-1]] <= h[i]:
        x = sk.pop()
        ans += h[x] * (sk[-1] % 2 - x % 2)
    # print(sk, ans)
    ans += h[i] * (i % 2 - sk[-1] % 2)
    sk.append(i)
    print(ans)