#include "wiring.h"
#include<cstdio>
#include<cstring>
#include<iostream>
#include<algorithm>
#include <cassert>
#define ll long long
#define mp make_pair
#define fs first
#define sn second
#define MX 202300
using namespace std;
ll n,m1,m2,sum[MX];
pair<ll,ll>a[MX];
long long min_total_length(std::vector<int> r, std::vector<int> b) {
m1=r.size();
m2=b.size();
for(ll i=1;i<=m1;++i)
a[i]=mp(r[i-1],1);
for(ll i=1;i<=m2;++i)
a[i+m1]=mp(b[i-1],2);
n=m1+m2;
sort(a+1,a+1+n);
for(ll i=1;i<=n;++i)
sum[i]=a[i].fs+sum[i-1];
return ((a[m1+1].fs*m1-sum[m1])+((sum[n]-sum[m1])-a[m1].fs*m2)-(a[m1+1].fs-a[m1].fs));
}
// int main() {
// int n, m;
// assert(2 == scanf("%d %d", &n, &m));
// vector<int> r(n), b(m);
// for(int i = 0; i < n; i++)
// assert(1 == scanf("%d", &r[i]));
// for(int i = 0; i < m; i++)
// assert(1 == scanf("%d", &b[i]));
// long long res = min_total_length(r, b);
// printf("%lld\n", res);
// return 0;
// }
