#include <iostream>
#include <fstream>
#include <vector>

using namespace std;

const int NMax = 15001;
const int INF = -2e9;

ifstream in("asmax.in");
ofstream out("asmax.out");

vector <int> a[NMax];
vector <int> valori;
vector <int> d;
//int d[NMax];
bool viz[NMax];
int N;

void citire(){
    in>>N;
    valori.push_back(INF);
    for(int i=1;i<=N;i++){
        int k; in>>k; valori.push_back(k);
        viz[i]=false;
    }
    int x,y;
    for(int i=1; i<N;i++){
        in>>x>>y;
        a[x].push_back(y);
    }
}

void dfs(int x){
    viz[x]=true;
    for(int i=0; i<a[x].size(); i++){
        int y = a[x][i];
        if(true){
            dfs(y);
            if(d[y]>0){
                d[x]+=d[y];
            }
        }
    }
}
int main()
{
    citire();
    int sumMax = INF;
    for(int i=1; i<=N; i++){
        d = valori;
        dfs(i);
        for(int i=1; i<=N; i++) cout<<d[i]<<" ";
        cout<<endl;
        sumMax = max(sumMax, d[i]);
    }
    out<<sumMax;
    return 0;
}