#include <bits/stdc++.h>
using namespace std;
#define pb push_back
#define mp make_pair
#define int long long
#define itr ::iterator
typedef pair<int,int> pii;
const int MAX=1e6;
pii edge[MAX];
int N,M,K,res,arr[MAX],dp[MAX][40];
signed main()
{
ios_base::sync_with_stdio(false);
cin>>N>>M>>K;
for(int A=0;A<N;A++)
{
cin>>arr[A];
arr[A]--;
}
for(int A=0;A<M;A++)
{
cin>>edge[A].first>>edge[A].second;
edge[A].first--;
edge[A].second--;
}
for(int A=0;A<N;A++)
dp[A][(1<<arr[A])]=1;
for(int A=2;A<=K;A++)
{
int u,v;
for(int B=0;B<M;B++)
{
u=edge[B].first;
v=edge[B].second;
for(int C=0;C<(1<<K);C++)
{
if(((C&(1<<arr[v]))!=0) or __builtin_popcount(C)!=A-1)
continue;
dp[v][C|(1<<arr[v])]+=dp[u][C];
}
for(int C=0;C<(1<<K);C++)
{
if(((C&(1<<arr[u]))!=0) or __builtin_popcount(C)!=A-1)
continue;
dp[u][C|(1<<arr[u])]+=dp[v][C];
}
}
}
for(int A=0;A<N;A++)
for(int B=0;B<(1<<K);B++)
res+=dp[A][B];
cout<<res-N;
return 0;
}
