#include <bits/stdc++.h>
#define ll long long

using namespace std;

int main() {
    ios_base::sync_with_stdio(false), cin.tie(nullptr), cout.tie(nullptr);
    ll n, x, y;
    cin >> n >> x >> y;
    ll z=x+y;
    vector<ll>a(n);
    vector<ll>b(n);
    for (ll i=0; i<n; i++) {
        cin >> a[i];
    }
    vector<ll>v(n);
    for (ll i=0; i<n; i++) {
        cin >> b[i];
        v[i]=abs(a[i]-b[i]);

    }
//    sort(v.rbegin(),v.rend());
    ll ans=0;
    for (ll i=0; i<n; i++) {
        while (z&&v[i]>0) {
            v[i]--;
            z--;
        }
        ans+=v[i]*v[i];
    }
    if (z%2) ans++;
    cout << ans;
    return 0;
}