INF = 1 << 60
N = int(input())
H = list(map(int, input().split()))

st = [(INF, 0, 0)]
for i, h in enumerate(H):
    v = 1 if i % 2 == 0 else 0  # 0=緑色 1=水色

    while st[-1][0] <= h:
        st.pop()

    ph, pv, pt = st[-1]
    if pv == v:
        print(pt)
        continue

    w = st[-1][2]
    if st[-1][1] == 0:
        w += h * v
    elif st[-1][1] == 1:
        if v == 0:
            w -= h

    print(w)
    st.append((h, v, w))