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#include <iostream>
#include <vector>
#include <set>
#include <map>
#include <algorithm>
#include <unordered_map>
#include <unordered_set>
#include <queue>
#include <deque>
#include <tuple>
#include <bitset>

using namespace std;

#define pb push_back
#define mp make_pair
#define st first
#define nd second
#define x first
#define y second

typedef long long ll;
typedef pair<int, int> pii;
typedef pair<ll, ll> pll;
typedef vector<int> vi;
typedef vector<ll> vll;

int n, m;
vector<ll> start;
unordered_set<ll> moves[200001];
unordered_set<ll> sklady[200001];
unordered_map<ll, ll> sklad_map;

bool visited_sklady[200001];

ll cur_squad = 0;
ll cur_s=-1;
ll all_s=0;

ll cur_cnt = 0;
ll all_cnt = 1;

ll MOD = 1e9 + 7;

void sklad(int q){
    if(visited_sklady[q]){
        return;
    }

    visited_sklady[q] = true;
    sklady[cur_s].insert(q);
    sklad_map[q] = cur_squad;
    cur_squad++;

    for(auto mov: moves[q]){
        sklad(mov);
    }
}

void bfs(ll pos){
    cur_cnt = 1;

    deque<ll> kolejka;
    kolejka.pb(pos);

    unordered_map<ll, bool> visited;
    visited[pos] = true;

    while(kolejka.size()){
        pos = kolejka.front();
        kolejka.pop_front();
        for(auto a: sklady[cur_s]){
            for(auto b: moves[a]){
                ll ai = ( 1LL << (sklad_map[a]) );
                ll bi = ( 1LL << (sklad_map[b]) );
                bool ac = pos & ai;
                bool bc = pos & bi;

                if(ac == bc){
                    ll new_pos = pos^ai^bi;
                    if(!visited[new_pos]){
                        visited[new_pos] = true;
                        kolejka.pb(new_pos);
                        cur_cnt = (cur_cnt+1LL)%MOD;
                    }
                }
            }
        }
    }
}

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

    cin >> n >> m;

    for(int i=0; i<n; i++){
        ll a;
        cin >> a;
        start.pb(a);
    }

    for(int i=0; i<m; i++){
        int a, b;
        cin >> a >> b;
        moves[a].insert(b);
        moves[b].insert(a);
    }

    for(int i=1; i<=n; i++){
        if(!visited_sklady[i]){
            cur_squad=0;
            all_s++;
            cur_s++;
            sklad(i);
        }
    }
    for(cur_s=0; cur_s<all_s; cur_s++){
        ll start_pos = 0;
        for(auto a: sklady[cur_s]){
            start_pos += (start[a-1] << sklad_map[a]);
        }
        bfs(start_pos);
        all_cnt = (all_cnt * cur_cnt)%MOD;
    }

    cout << all_cnt <<"\n";
    
    return 0;
}