p = 998244353
n = int(input())
deg = [0] * n
for i in range(n - 1):
    a, b = map(lambda x: int(x) - 1, input().split())
    deg[a] += 1
    deg[b] += 1

ans = sum([pow(2, i, p) for i in deg])
if max(deg) == n - 1:
    ans -= 2
print(ans % p)