#include <iostream>
#include <vector>
#include <algorithm>
#include <cmath>
#include <queue>
#include <string>
#include <map>
#include <set>
#include <stack>
#include <tuple>
#include <deque>
#include <array>
#include <numeric>
#include <bitset>
#include <iomanip>
#include <cassert>
#include <chrono>
#include <random>
#include <limits>
#include <iterator>
#include <functional>
#include <sstream>
#include <fstream>
#include <complex>
#include <cstring>
#include <unordered_map>
#include <unordered_set>
using namespace std;

using ll = long long;
constexpr int INF = 1001001001;
constexpr int mod = 1000000007;
// constexpr int mod = 998244353;

template<class T>
inline bool chmax(T& x, T y){
    if(x < y){
        x = y;
        return true;
    }
    return false;
}
template<class T>
inline bool chmin(T& x, T y){
    if(x > y){
        x = y;
        return true;
    }
    return false;
}

struct ExtendedSieve{
    vector<int> table;
    const int n;

    ExtendedSieve(int n) : n(n) {
        table.assign(n + 1, 0);
        table[0] = table[1] = 1;
        for(int i = 2; i <= n; ++i){
            if(table[i] > 0)    continue;
            table[i] = i;
            for(int j = i + i; j <= n; j += i){
                if(table[j] == 0)   table[j] = i;
            }
        }
    }

    int operator[](const int& k){
        return table[k];
    }

    bool is_prime(int x){
        if(x < 2)   return false;
        return x == table[x];
    }

    map<int, int> prime_factorization(int x){
        map<int, int> res;
        while(x > 1){
            ++res[table[x]];
            x /= table[x];
        }
        return res;
    }
};

int main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    int N, M, A, B, C;
    cin >> N;
    vector<int> S(N);
    for(int i = 0; i < N; ++i)  cin >> S[i];
    cin >> M;
    constexpr int inf = 1e+8;
    vector<vector<int>> g(N, vector<int>(N, inf));
    for(int i = 0; i < M; ++i){
        cin >> A >> B >> C;
        g[A][B] = g[B][A] = C;
    }
    for(int i = 0; i < N; ++i)  g[i][i] = 0;
    for(int k = 0; k < N; ++k){
        for(int i = 0; i < N; ++i){
            for(int j = 0; j < N; ++j){
                chmin(g[i][j], g[i][k] + g[k][j]);
            }
        }
    }
    int ans = inf;
    for(int i = 1; i < N - 1; ++i){
        for(int j = 1; j < i; ++j){
            chmin(ans, g[0][i] + S[i] + g[i][j] + S[j] + g[j][N - 1]);
            chmin(ans, g[0][j] + S[j] + g[j][i] + S[i] + g[i][N - 1]);
        }
    }
    cout << ans << endl;

    return 0;
}