//#include <bits/stdc++.h>
//using namespace std;
//typedef long long ll;
//typedef pair<ll,ll> pll;
//typedef pair<pll,ll> plll;
//typedef pair<pll,pll> ppll;
//typedef long double ld;
//
//#define all(x) (x).begin(), (x).end()
//#define rall(x) (x).rbegin(), (x).rend()
//#define fst first
//#define snd second
//#define ins insert
//#define pb push_back
//template< typename T,typename V>ostream &operator<< (ostream &out,const pair<T,V> x){ out << "{" << x.fst << " : " << x.snd << "}"; return out;}template< typename T>ostream &operator<< (ostream &out,const set<T> x){ for(auto &it : x){ out << it << " "; } return out;}template< typename T>ostream &operator<< (ostream &out,const multiset<T> x){ for(auto &it : x){ out << it << " "; } return out;}template< typename T,typename V>ostream &operator<< (ostream &out,const map<T,V> x){ for(auto &it : x){ out << "[" << it.fst << "]" << " = " << it.snd << "\n"; } return out;}template< typename T>ostream &operator<< (ostream &out,const vector<T> x){ for(int i = 0;i < x.size() - 1; ++i){ out << x[i] << " "; } out << x.back(); return out;}template< typename T>ostream &operator<< (ostream &out,const vector<vector<T> > x){ for(int i = 0;i < x.size() - 1; ++i){ out << "[" << i << "]" << " = {" << x[i] << "}\n"; } out << "[" << x.size() - 1 << "]" << " = {" << x.back() << "}\n"; return out;}
//
//const ll N = 1e6 + 5;
//const ll MOD = 1e9 + 7;
//const ll INF = 1e17;
//vector<pll> a;
//main(){
// ios_base::sync_with_stdio(0);cin.tie(0);cout.tie(0);
// //freopen(".in", "r", stdin);
// //freopen(".out", "w", stdout);
// ll n,m;
// cin >> n >> m;
// ll mxa = 0;
// for(ll i = 0;i < n; ++i){
// ll x;
// cin >> x;
// mxa = max(mxa,x);
// a.pb({x,0});
// }
// ll mnb = INF;
// for(ll i = 0;i < m; ++i){
// ll x;
// cin >> x;
// mnb = min(mnb,x);
// a.pb({x,1});
// }
// ll suma = 0,sumb = 0;
// for(ll i = 0;i < n + m; ++i){
// if(a[i].snd == 0){
// suma += mxa - a[i].fst;
// }else{
// sumb += a[i].fst - mnb;
// }
// }
// ll ans = suma + sumb + max(n,m) * (mnb - mxa);
// cout << ans;
// return 0;
//}
#include "wiring.h"
#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll,ll> pll;
typedef pair<pll,ll> plll;
typedef pair<pll,pll> ppll;
typedef long double ld;
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define fst first
#define snd second
#define ins insert
#define pb push_back
template< typename T,typename V>ostream &operator<< (ostream &out,const pair<T,V> x){ out << "{" << x.fst << " : " << x.snd << "}"; return out;}template< typename T>ostream &operator<< (ostream &out,const set<T> x){ for(auto &it : x){ out << it << " "; } return out;}template< typename T>ostream &operator<< (ostream &out,const multiset<T> x){ for(auto &it : x){ out << it << " "; } return out;}template< typename T,typename V>ostream &operator<< (ostream &out,const map<T,V> x){ for(auto &it : x){ out << "[" << it.fst << "]" << " = " << it.snd << "\n"; } return out;}template< typename T>ostream &operator<< (ostream &out,const vector<T> x){ for(int i = 0;i < x.size() - 1; ++i){ out << x[i] << " "; } out << x.back(); return out;}template< typename T>ostream &operator<< (ostream &out,const vector<vector<T> > x){ for(int i = 0;i < x.size() - 1; ++i){ out << "[" << i << "]" << " = {" << x[i] << "}\n"; } out << "[" << x.size() - 1 << "]" << " = {" << x.back() << "}\n"; return out;}
const ll N = 1e6 + 5;
const ll MOD = 1e9 + 7;
const ll INF = 1e17;
vector<pll> a;
long long min_total_length(std::vector<int> r, std::vector<int> b) {
ll n = r.size(),m = b.size();
ll mxa = 0;
for(ll i = 0;i < n; ++i){
ll x;
x = r[i];
mxa = max(mxa,x);
a.pb({x,0});
}
ll mnb = INF;
for(ll i = 0;i < m; ++i){
ll x;
x = b[i];
mnb = min(mnb,x);
a.pb({x,1});
}
ll suma = 0,sumb = 0;
for(ll i = 0;i < n + m; ++i){
if(a[i].snd == 0){
suma += mxa - a[i].fst;
}else{
sumb += a[i].fst - mnb;
}
}
ll ans = suma + sumb + max(n,m) * (mnb - mxa);
return ans;
}
