#include <algorithm>
#include <cstdio>
#include <iostream>
#include <map>
#include <cmath>
#include <queue>
#include <set>
#include <sstream>
#include <stack>
#include <string>
#include <vector>
#include <stdlib.h>
#include <stdio.h>
#include <bitset>
using namespace std;
#define FOR(I,A,B) for(int I = (A); I < (B); ++I)
typedef long long ll;

const int MOD = 1e9 + 7;
int num[100005];
int main()
{
  FOR(i,0,100005) num[i] = 0;
  int N;cin>>N;
  int cnt = 0;
  FOR(i,0,N) {
    int in;
    cin >> in;
    if(num[in]==0) cnt++;
    num[in]++;
  }
  ll ans = cnt*(cnt-1)*(cnt-2)/6;
  ans %= MOD;
  FOR(i,0,100005) {
    if(num[i]>0) (ans *= num[i]) %= MOD;
  }
  cout << ans % MOD << endl;
  return 0;
}