#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define MAXN (300005)
ll N,M,K;
vector<ll> v[MAXN];
ll colour[MAXN], dp[MAXN][1ll<<5];
int main() {
ios_base::sync_with_stdio(false);cin.tie(0);
cin>>N>>M>>K;
for(ll i = 0;i < N;i++){
cin>>colour[i];
colour[i]--;
dp[i][1ll<<colour[i]] = 1;
}
for(ll i = 0;i < M;i++){
ll a,b;
cin>>a>>b;
a--, b--;
v[a].push_back(b);
v[b].push_back(a);
}
for(ll bitmask = 0;bitmask < (1ll<<5);bitmask++){
for(ll x = 0;x < N;x++){
for(auto u : v[x]){
if((bitmask & (1ll<<colour[u])) == 0){
dp[u][bitmask | (1ll<<colour[u])] += dp[x][bitmask];
}
}
}
}
ll ans = 0;
for(ll bitmask = 0;bitmask < (1ll<<5);bitmask++){
for(ll x = 0;x < N;x++){
ans += dp[x][bitmask];
}
}
cout<<ans - N<<'\n';
}
