func_code_string: #include <bits/stdc++.h>   using namespace std;   constexpr int Mod = 998244353;   int n, x, y;   int gr[200005];   long long sol;   int main() {     cin >> n;     sol = n;     for (int i = 1; i < n; ++i) {       cin >> x >> y;       gr[x]++;       gr[y]++;       sol = 1LL * sol * gr[x] % Mod * gr[y] % Mod;     }     cout << sol <<   n ;     return 0;   }   