n=int(input())
h=list(map(int,input().split()))
stack=[1<<60]
now=0
for i in range(n):
    hi=h[i]
    while stack[-1]<=hi:
        c=stack.pop()
        if len(stack)%2==0:
            now+=c
        else:
            now-=c
    if (len(stack)-i)%2==1:
        stack.append(hi)
        if i%2:
            now-=hi
        else:
            now+=hi
    print(now)