// ~ Be Name Khoda ~ //
#include "wiring.h"
#include <bits/stdc++.h>
//#pragma GCC optimize ("O3")
//#pragma GCC target("avx2")
//#pragma GCC optimize("unroll-loops,Ofast")
using namespace std;
typedef long long ll;
#define pb push_back
#define mp make_pair
#define all(x) x.begin(), x.end()
#define fi first
#define se second
const int maxn = 1e6 + 10;
const int maxn5 = 5e5 + 10;
const int maxnt = 1.2e6 + 10;
const int maxn3 = 1e3 + 10;
const int mod = 1e9 + 7;
const ll inf = 1e18;
vector <pair<ll, int>> av;
long long min_total_length(std::vector<int> r, std::vector<int> b){
ll ans = 0;
for(int i = 0; i < int(r.size()); i++)
ans += b[0] - r[i];
for(int i = 0; i < int(b.size()); i++)
ans += b[i] - r.back();
ans -= min(int(r.size()), int(b.size())) * (b[0] - r.back());
return ans;
}
