N=int(input())
H=list(map(int,input().split()))

S=[10**10]
now=0
for i in range(N):
    hi=H[i]
    while S[-1]<=hi:
        c=S.pop()
        if len(S)%2==0:
            now+=c
        else:
            now-=c
    if (len(S)-i)%2==1:
        S.append(hi)
        if i%2==0:
            now+=hi
        else:
            now-=hi
    print(now)