#include <bits/stdc++.h>
#define fto(i, a, b) for (int i = (a); i <= (b); ++i)
#define fdto(i, b, a) for (int i = (b); i >= (a); --i)
#define N 500005
#define mod 1000000007
using namespace std;
struct Edge {
int u, v, w;
};
int n, m, k, ans[N], p[N], sz[N];
vector<pair<int, int>> adj[N];
vector<Edge> edge;
int root(int u) {
return p[u] != u ? p[u] = root(p[u]) : u;
}
bool join(int u, int v) {
u = root(u), v = root(v);
if (u == v) return false;
if (sz[v] > sz[u]) swap(u, v);
sz[u] += sz[v];
p[v] = u;
return true;
}
int main() {
ios_base::sync_with_stdio(0); cin.tie(0);
if (fopen("test.inp", "r")) {
freopen("test.inp", "r", stdin);
freopen("test.out", "w", stdout);
}
cin >> n >> m >> k;
fto(i, 1, n) p[i] = i, sz[i] = 1;
fto(i, 1, m) {
int u, v, w; cin >> u >> v >> w;
edge.push_back({u, v, w});
}
sort(edge.begin(), edge.end(), [](Edge x, Edge y){
return x.w > y.w;
});
for (Edge &p : edge) {
int u = p.u, v = p.v, w = p.w;
if (join(u, v)) {
adj[u].emplace_back(v, w);
adj[v].emplace_back(u, w);
}
}
fto(i, 1, n) ans[i] = -1;
queue<int> q;
q.push(1);
ans[1] = N+1;
while (q.size()) {
int u = q.front(); q.pop();
for (pair<int, int> &p : adj[u]) if (ans[p.first] == -1) {
ans[p.first] = min(ans[u], p.second);
q.push(p.first);
}
}
while (k--) {
int x; cin >> x;
cout << ans[x] << '\n';
}
}
