M = 998244353
n = gets.to_i
d = Array.new(n, 0)
(n - 1).times do
  u, v = gets.split.map &:to_i
  d[u - 1] += 1
  d[v - 1] += 1
end
puts (0...n).reduce(0) {|r, i|
  (r + (d[i] == n - 1 ? 2.pow(d[i], M) - 2 : 2.pow(d[i], M))) % M
}