class Main
  def start
    a = input.split.map { |s| s.to_i + 100 }
    puts main(a) ? "Yes" : "No"
    return nil
  end

  private

  def main(a)
    result = false
    return result if a.sum % 3 != 0

    target = a.sum / 3
    for i in 0...100
      a = a.map { |x| x % 100 } if i >= 10
      a = sub(a, i % 3, a[0] == target)
      if a.min == a.max
        result = true
        break
      end
    end
    result
  end

  def sub(a, i, flg)
    target = a.sum / 3
    j = 1 + i
    x = [a[j % 3] + (i != 2 || flg ? 0 : j) - target, 0].max / j * j
    a[i] += x
    a[j % 3] -= x
    #puts [j, target, x, a].flatten.join(", ")
    return a
  end

  def input = gets
end

Main.new.start