#include <stdio.h>    
#include <iostream>    
#include <queue>
#include <vector>
#include <algorithm>
#include <string.h>
#define fio ios::sync_with_stdio(false);cin.tie(0);cout.tie(0)
#define ll long long
#define maxx 100009
using namespace std;

int n, a[maxx], c[maxx];
int x, y;

struct node
{
    int v;
    int order;
}in[maxx];

int lowbit(int x) {
    return x & (-x);
}

void updata(int x, int val) {
    for (int i = x; i <= n; i += lowbit(i)) {
        c[i] += val;
    }
}
int getsum(int end) {
    int sum = 0;
    for (int i = end; i > 0; i -= lowbit(i))
    {
        sum += c[i];
    }
    return sum;
}

bool cmp(const node &a, const node &b) {
    if (a.v != b.v) return a.v < b.v;
    return a.order < b.order;
}//这个地方必须排order

int main() {
    fio;
    while (cin>>n>>x>>y)
    {
        memset(c, 0, sizeof c);
        memset(a, 0, sizeof a);
        memset(in, 0, sizeof in);

        for (int i = 1; i <= n; i++)
        {
            cin >> in[i].v;
            in[i].order = i;
        }

        sort(in + 1, in + n + 1, cmp);
        for (int i = 1; i <= n; i++) {
            a[in[i].order] = i;
        }

        ll sum = 0,ans;
        for (int i = 1; i <= n; i++) {
            updata(a[i], 1);
            sum += i - getsum(a[i]);
        }
        ans = sum * min(x, y);
        cout << ans << endl;
    }
    //getchar();
    return 0;
}