#include <iostream>
#include <cassert>
#include <iomanip>
#include <algorithm>
#include <string>
#include <bitset>
#include <vector>
#include <cmath>
#include <deque>
#include <queue>
#include <stack>
#include <map>
#include <set>
#ifndef LOCAL
#include <bits/stdc++.h>
#define cerr if(false)cerr
#endif
using namespace std;
using ll = long long;
const int N = 1e6 + 66;
ll a[N], n;
ll pref[N];
/*
summa(a[i]*(a[i]+1)/2 + a[i]*pref[i-1]*(i+1) - a[i]*(pref[n-1]-pref[i])*i)
summa((a[i]^2+a[i])/2 + a[i]*pref[i-1]*i+a[i]*pref[i-1] - a[i]*(pref[n-1]-pref[i])*i)
summa((a[i]^2+a[i])/2 + a[i]*pref[i]*i-a[i]^2*i + a[i]*pref[i-1] - a[i]*(pref[n-1]-pref[i])*i)
summa((a[i]^2+a[i])/2 + a[i]*pref[i]*i-a[i]^2*i + a[i]*pref[i]-a[i]^2 - a[i]*(pref[n-1]-pref[i])*i)
summa((a[i]^2+a[i])/2 + a[i]*pref[i]*i-a[i]^2*i + a[i]*pref[i]-a[i]^2 - a[i]*pref[n-1]*i - a[i]*pref[i]*i)
summa((a[i]^2+a[i])/2 + a[i]*pref[i]*i - a[i]^2*i + a[i]*pref[i]-a[i]^2 - a[i]*pref[n-1]*i - a[i]*pref[i]*i)
summa(a[i]/2 + a[i]*pref[i]*(i+1) - a[i]^2*i - a[i]^2/2 - a[i]*pref[n-1]*i - a[i]*pref[i]*i)
summa(a[i]/2 + a[i]*pref[i] - a[i]^2*i - a[i]^2/2 - a[i]*pref[n-1]*i)
summa(a[i]/2 + a[i]*pref[i] - a[i]^2*i - a[i]^2/2 - a[i]*pref[n-1]*i)
*/
ll f(ll s) { return s * (s + 1) / 2; }
ll solve() {
ll ans = 0;
for (int i = 0 ; i < n ; ++ i) {
pref[i] = a[i];
if (i) pref[i] += pref[i - 1];
}
for (int i = 0 ; i < n ; ++ i) {
if (i) ans += f(pref[i - 1]);
ans += f(pref[n - 1] - pref[i]);
}
ll C = n * f(pref[n-1]);
return C-ans;
}
int main() {
ios_base::sync_with_stdio(0);
cin.tie(0);
int q;
cin >> n >> q;
for (int i = 0 ; i < n ; ++ i) cin >> a[i];
cin >> q >> q;
map<int,int>mp;
for (int i = 0 ; i < n ; ++ i) mp[a[i]]++;
vector<int>freq;
for (auto [f, s] : mp) freq.emplace_back(s);
sort(freq.rbegin(), freq.rend());
deque<int>p;
for (int i : freq) {
if ((int)p.size() & 1) p.push_back(i);
else p.push_front(i);
}
n = p.size();
for (int i = 0 ; i < n ; ++ i) a[i] = p[i];
cout << solve();
}
