#include "wiring.h"
#include <bits/stdc++.h>
using namespace std;
#define sig signed
#define int long long
#define arr array
#define vec vector
const int N = 1e5 + 5, M = 1e5 + 5;
int n, m;
arr<int, N> a;
arr<int, M> b;
int min_total_length(vec<sig> _a, vec<sig> _b) {
n = _a.size(), m = _b.size();
for (int i = 1; i <= n; i++) a[i] = _a[i - 1];
for (int i = 1; i <= m; i++) b[i] = _b[i - 1];
int ans = 0;
for (int i = 1; i <= n; i++) ans -= a[i];
for (int i = 1; i <= m; i++) ans += b[i];
if (n > m) ans += (n - m) * b[1];
else ans -= (m - n) * a[n];
return ans;
}
