#include <bits/stdc++.h>
using namespace std;
#define ll long long
#define vt vector
#define ar array
void solve(){
int n, m, k;
cin >> n >> m >> k;
int colors[n];
for(int i = 0; i < n; i++){
cin >> colors[i];
colors[i]--;
}
map<int, vt<int>> lines;
vt<pair<int, int>> onlyLines;
for(int i = 0; i < m; i++){
int a, b;
cin >> a >> b;
a--; b--;
if (lines.find(a) == lines.end()) lines[a] = {};
if (lines.find(b) == lines.end()) lines[b] = {};
lines[a].push_back(b);
lines[b].push_back(a);
onlyLines.push_back({a, b});
}
map<int, map<int, int>> amount;
for(int i = 0; i < n; i++){
amount[i] = {};
for(int j = 0; j < 1<<k; j++){
if (__builtin_popcount(j) == 1){
if (j & (int) (pow(2, colors[i]))) amount[i][j] = 1;
else amount[i][j] = 0;
}else amount[i][j] = 0;
}
}
ll res = 0;
for(int i = 2; i <= k; i++){
for (pair<int, int> line : onlyLines){
for(int j = 0; j < 1<<(k + 1); j++){
if (__builtin_popcount(j) == i){
if (j & (int) pow(2, colors[line.first])) {
ll mykk = amount[line.second][j - pow(2, colors[line.first])];
amount[line.first][j] += mykk;
res += mykk;
}
if (j & (int) pow(2, colors[line.second])) {
ll mykk = amount[line.first][j - pow(2, colors[line.second])];
amount[line.second][j] += mykk;
res += mykk;
}
}
}
}
}
cout << res << endl;
}
int main(){
ios::sync_with_stdio(0);
cin.tie(0);
int testcases = 1;
// cin >> testcases;
while(testcases--){
solve();
}
return 0;
}
