MOD = 998244353

N = int(input())
degs = [0]*N
for _ in range(N-1):
	a, b = map(int, input().split())
	a -= 1
	b -= 1
	
	degs[a] += 1
	degs[b] += 1

ans = 0
for i in range(N):
	if degs[i] == N-1:
		ans += pow(2, degs[i], MOD) - 2
	else:
		ans += pow(2, degs[i], MOD)
	ans %= MOD
print(ans)