const MOD: usize = 1e9 as usize + 7;

fn power(base: usize, times: usize) -> usize {
    if times == 0 { return 1usize; }
    if times == 1 { return base; }
    let temp = power(base, times/2);
    temp * temp % MOD * power(base, times%2) % MOD
}

fn dfs(cur: usize, prev: usize, paths: &Vec<Vec<usize>>, depths: &mut Vec<usize>) {
    for &v in paths[cur].iter() {
        if v == prev { continue; }
        depths[v] = depths[cur] + 1;
        dfs(v, cur, paths, depths);
    }
}

fn main() {
    let mut n = String::new();
    std::io::stdin().read_line(&mut n).ok();
    let n: usize = n.trim().parse().unwrap();
    let mut paths = vec![vec![]; n];
    for _ in 0..n-1 {
        let mut temp = String::new();
        std::io::stdin().read_line(&mut temp).ok();
        let temp: Vec<usize> = temp.trim().split_whitespace().map(|s| s.parse().unwrap()).collect();
        let u = temp[0]-1;
        let v = temp[1]-1;
        paths[u].push(v);
        paths[v].push(u);
    }

    let mut depths = vec![0usize; n];
    dfs(0usize, 0usize, &paths, &mut depths);
    let perms = (1..=n).fold(1usize, |x, y| x * y % MOD);
    let mut result = 0usize;
    for i in 0..n {
        result += perms * power(depths[i]+1, MOD-2) % MOD;
    }
    println!("{}", result % MOD);
}