#include <iostream>
#include <cstdio>
using namespace std;
typedef long long ll;
#define rep(i,n) for(int i=0;i<(n);i++)

int n, a[100010];
const int mod = 1e9 + 7;

ll conbination(int x){
	ll ret = x * (x - 1) * (x - 2) / 6;
	return ret;
}

int main(void){
	cin >> n;
	rep(i, n) cin >> a[i];

	int cnt[110];
	rep(i, 110) cnt[i] = 0;
	rep(i, n){
		cnt[a[i]]++;
	}

	int c = 0, k = 1;
	rep(i, 101){
		if(cnt[i] >= 1){
			k *= cnt[i];
			c++;
		}
	}
	// printf("%d %d\n", c, k);
	ll ans = conbination(c) * k % mod;
	printf("%lld\n", ans);
	return 0;
}