// Starcraft 2 enjoyer //
#include <bits/stdc++.h>
// #pragma GCC target("avx2")
// #pragma GCC optimize("O3")
// #pragma GCC optimize("unroll-loops")
using namespace std;
#define LSOne(X) ((X) & -(X))
const int N = 3e5 + 5;
const int M = 1 << 10;
const int K = 19;
const int LG = 11;
const int INF = 1e9 + 5;
const int C = 26;
const int B = 1000;
const int MOD = 998244353;
int n, m, k, a[N];
long long dp[N][1 << 5], ans;
vector<int> adj[N];
inline void solve()
{
cin >> n >> m >> k;
for (int x = 1; x <= n; x++)
{
cin >> a[x];
a[x]--;
dp[x][1 << a[x]] = 1;
}
for (int x = 0; x < m; x++)
{
int a, b;
cin >> a >> b;
adj[a].push_back(b);
adj[b].push_back(a);
}
ans = 0;
for (int x = 1; x < k; x++)
{
for (int y = 0; y <= (1 << k); y++)
{
if (__builtin_popcount(y) != x)
continue;
for (int z = 1; z <= n; z++)
{
if (dp[z][y] == 0)
continue;
for (int i : adj[z])
{
if (!(y >> a[i] & 1))
{
dp[i][y ^ (1 << a[i])] += dp[z][y];
}
}
}
}
}
for (int x = 1; x <= n; x++)
{
for (int y = 0; y < (1 << k); y++)
{
if (__builtin_popcount(y) <= 1)
continue;
ans += dp[x][y];
// cout << dp[x][y] << " " << x << " " << bitset<3>(y) << "\n";
}
}
cout << ans << "\n";
}
signed main()
{
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
int t = 1;
// cin >> t;
for (int x = 1; x <= t; x++)
{
solve();
}
return 0;
}
