n = read_line.to_i
h = read_line.split.map(&.to_i)
prev = [{1_000_000_000, -1}]
ans = Array.new(n, 0)
n.times do |i|
  while prev[-1][0] < h[i]
    prev.pop
  end
  pi = prev[-1][1]
  if pi == -1
    ans[i] = i % 2 == 0 ? h[i] : 0
  elsif (pi % 2 == 0) == (i % 2 == 0)
    ans[i] = ans[pi]
  elsif i % 2 == 0
    ans[i] = ans[pi] + h[i]
  else
    ans[i] = ans[pi] - h[i]
  end
  prev << {h[i], i}
end
puts ans.join("\n")