#include<bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll, ll> pll;
vector<ll> par(200200), ht(200200), sum(200200), val(200200);
void init(ll n, vector<ll> &s){
for(ll i = 1; i <= n; i++) par[i] = i, ht[i] = 1, sum[i] = s[i];
}
ll find_par(ll a){
if(a == par[a]) return a;
return par[a] = find_par(par[a]);
}
bool unite(ll a, ll b){
ll pa = find_par(a), pb = find_par(b);
if(pa == pb) return 0;
if(ht[pa] < ht[pb]) swap(pa, pb);
par[pb] = pa;
ht[pa] = max(ht[pa], ht[pb] + 1);
sum[pa] += sum[pb];
return 1;
}
int main(){
ios_base::sync_with_stdio(false); cin.tie(NULL);
ll n, m; cin >> n >> m;
vector<ll> s(n+1);
map<ll, vector<ll>> p;
ll ma = 0;
for(ll i = 1; i <= n; i++) cin >> s[i], p[s[i]].push_back(i), ma = max(ma, s[i]);
vector<vector<ll>> g(n+1);
for(ll i = 0; i < m; i++){
ll a, b; cin >> a >> b;
g[a].push_back(b); g[b].push_back(a);
}
init(n, s);
for(auto[d, v]: p){
for(ll node: v){
for(ll i : g[node]) if(s[i] <= s[node]) unite(i, node);
}
for(ll node: v) val[node] = sum[find_par(node)];
}
vector<bool> ans(n+1);
queue<ll> q;
for(ll node: p[ma]) q.push(node);
while(q.size()){
ll node = q.front(); q.pop();
if(ans[node] == 1) continue;
ans[node] = 1;
for(ll i: g[node]) {
if(ans[i] == 1) continue;
if(val[i] >= s[node]) q.push(i);
}
}
for(ll i = 1; i <= n; i++) cout << ans[i];
}
