#include <bits/stdc++.h>
using namespace std;
void setup()
{
ios_base::sync_with_stdio(0);
cin.tie(0);
cout.tie(0);
}
int n, m, k, a, b, c[300000];
long long f[32][300000], res;
vector<int> g[300000];
int main()
{
setup();
cin >> n >> m >> k;
for (int i = 0; i < n; ++i)
{
cin >> c[i];
c[i]--;
f[1 << c[i]][i] = 1;
}
while (m--)
{
cin >> a >> b;
g[a - 1].push_back(b - 1);
g[b - 1].push_back(a - 1);
}
for (int i = 0; i < (1 << k); ++i)
{
for (int j = 0; j < n; ++j)
{
if (i & (1 << c[j]))
{
a = i - (1 << c[j]);
for (auto & z : g[j])
{
f[i][j] += f[a][z];
}
}
res += f[i][j] * (__builtin_popcount(i) >= 2);
}
}
cout << res;
return 0;
}
