#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define fi first
#define se second
#define pb push_back
#define vi vector<int>
#define vl vector<ll>
#define pi pair<int, int>
#define pl pair<ll,ll>
#define all(x) (x).begin(),(x).end()
const int maxn=3e5+10;
vector<vl> dp(maxn,vl(1<<5,0));
vi col(maxn);
vector<vi> graph(maxn);
int32_t main() {
ios::sync_with_stdio(0);
cin.tie(0);
int n,m,k;
cin >> n >> m >> k;
for (int i=0; i<n; i++) {
cin >> col[i];
col[i]--;
dp[i][1<<col[i]]=1;
}
int a,b;
for (int i=0; i<m; i++) {
cin >> a >> b;
graph[--a].pb(--b);
graph[b].pb(a);
}
ll ans=0;
for (int msk=3; msk<(1<<k); msk++) {
if (__builtin_popcount(msk)==1) {
continue;
}
for (int i=0; i<n; i++) {
if (!(msk&(1<<col[i]))) {
continue;
}
for (auto to:graph[i]) {
dp[i][msk]+=dp[to][msk^(1<<col[i])];
}
ans+=dp[i][msk];
}
}
cout << ans << '\n';
return 0;
}
