MOD = 998244353
N = int(input())
edge = [[] for _ in range(N)]
for _ in range(N-1):
    a,b = list(map(int,input().split()))
    a -= 1;b -= 1
    edge[a].append(b)
    edge[b].append(a)

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