n=int(input())
mod=998244353

c=[0]*n
p=1
for i in range(1,n):
  u,v=map(int,input().split())
  c[u-1]+=1
  c[v-1]+=1
  p*=i
  p%=mod
p=pow(p,-1,mod)

for v in c:
  for i in range(v):
    p*=i+1
    p%=mod

print(p)