#include <bits/stdc++.h>
using namespace std;
#define int long long
#define fi first
#define se second
#define pb push_back
#define dd(x) cout<<#x<<" is "<<x<<endl;
#define dd2(x,y) cout<<#x<<" is "<<x<<" "<<#y<<" is "<<y<<endl;
typedef pair<int,int> pii;
const int N = 2e5+5;
int a[N], ans[N], vis[N];
vector<int> adj[N];
signed main(){
ios::sync_with_stdio(0); cin.tie(0);
int n,m; cin>>n>>m;
for(int i=1; i<=n; i++) cin>>a[i];
for(int i=0; i<m; i++){
int u,v; cin>>u>>v;
adj[u].pb(v);
adj[v].pb(u);
}
for(int i=1; i<=n; i++){
priority_queue<pii, vector<pii>, greater<pii>> pq;
memset(vis,0,sizeof(vis));
pq.push({a[i],i});
vis[i] = 1;
int sum = 0, f = 0;
while(!pq.empty()){
auto[s,id] = pq.top(); pq.pop();
if(sum >= s or id == i){
sum += s;
for(auto j: adj[id]){
if(vis[j]) continue;
vis[j] = 1;
pq.push({a[j],j});
}
} else {
f = 1;
break;
}
}
if(f == 0) ans[i] = 1;
}
for(int i=1; i<=n; i++) cout<<ans[i];
return 0;
}