#include <iostream>
#include <vector>
#include <map>

using namespace std;

const long long MOD = 1000000007LL;

int main() {
	int n;
	cin >> n;
	vector<int> a(n);
	for (int i = 0; i < n; ++i) {
		cin >> a[i];
	}
	map<int, int> valueToCount;
	for (int i = 0; i < n; ++i) {
		++valueToCount[a[i]];
	}
	int m = valueToCount.size();
	if (m < 3) {
		cout << 0 << endl;
		return 0;
	}
	long long patterns = m * (m - 1) * (m - 2) / 6;
	for (map<int, int>::const_iterator it = valueToCount.begin();
		it != valueToCount.end();
		++it) {
		patterns *= it->second;
		patterns %= MOD;
	}
	cout << patterns << endl;
	return 0;
}