#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
#define pb push_back
const int maxn5 = 3e5 + 10;
vector <int> adj[maxn5];
int a[maxn5];
int main(){
ios_base::sync_with_stdio(false); cin.tie(0); cout.tie(0);
int n, m, k; cin >> n >> m >> k;
ll dp[(1<<k) + 1][n + 2];
memset(dp, 0, sizeof dp);
for(int i = 0; i < n; i++){
cin >> a[i];
a[i]--;
dp[1<<a[i]][i] = 1;
}
for(int i = 0; i < m; i++){
int a, b; cin >> a >> b;
a--; b--;
adj[a].pb(b);
adj[b].pb(a);
}
ll ans = 0;
for(int mask = 1; mask < (1 << k); mask++) if(__builtin_popcount(mask) > 1)
for(int i = 0; i < n; i++) if((mask >> a[i])&1){
for(auto u : adj[i])
dp[mask][i] += dp[mask ^ (1 << a[i])][u];
ans += dp[mask][i];
}
cout << ans << endl;
}
