import java.util.*;
import java.io.*;

public class Main {
	public static void main(String[] args) throws Exception {
		new Main().run();
	}

	int[] depth;
	ArrayList<Integer>[] g;
	long mo = (long) 1e9 + 7;
	long[] fac = new long[1000000];
	long[] ifac = new long[1000000];
	long[] inv = new long[1000000];

	{
		fac[0] = ifac[0] = inv[0] = inv[1] = 1;
		for (int i = 1; i < fac.length; ++i) {
			fac[i] = fac[i - 1] * i % mo;
		}
		// 0 = p/m * m + p%mo
		// inv(m) = inv(p%m)*(p/m)
		for (int i = 2; i < inv.length; ++i) {
			inv[i] = mo - inv[(int) (mo % i)] * (mo / i) % mo;
		}
		for (int i = 1; i < ifac.length; ++i) {
			ifac[i] = ifac[i - 1] * inv[i] % mo;
		}
	}

	long pow(long a, long n) {
		long ret = 1;
		for (; n > 0; n >>= 1, a = a * a % mo) {
			ret = ret * a % mo;
		}
		return ret;
	}

	void dfs(int cur, int par) {
		for (int dst : g[cur]) {
			if (dst == par) {
				continue;
			}
			depth[dst] = depth[cur] + 1;
			dfs(dst, cur);
		}
	}

	void run() throws Exception {
		Scanner sc = new Scanner(System.in);
		int N = sc.nextInt();
		int[] u = new int[N - 1];
		int[] v = new int[N - 1];
		depth = new int[N];

		long ans = 0;

		g = new ArrayList[N];
		for (int i = 0; i < N; ++i) {
			g[i] = new ArrayList<>();
		}

		for (int i = 0; i < N - 1; ++i) {
			u[i] = sc.nextInt();
			v[i] = sc.nextInt();
			--u[i];
			--v[i];
			g[u[i]].add(v[i]);
			g[v[i]].add(u[i]);
		}

		dfs(0, -1);

		for (int i = 0; i < N; ++i) {
			ans = (ans + fac[N] * inv[depth[i] + 1] % mo) % mo;
		}

		System.out.println(ans);
	}

	void tr(Object... objects) {
		System.out.println(Arrays.deepToString(objects));
	}

}