#include <bits/stdc++.h> 
using namespace std;
using ll =long long;
#define all(v) v.begin(),v.end()
 #define rep(i,a,b) for(int i=a;i<b;i++)
#define rrep(i,a,b) for(int i=a;i>=b;i--)

ll INF=2e18;

ll solve(vector<ll> a,vector<ll> b,vector<ll> c) {
ll ans=-INF;
//Aをすべて取る
ll count=0;
ll A=0;
for(ll i=0;i<a.size();i++) {
    count++;
 A+=a[i];
  }




for(ll i=0;i<c.size();i++) {
  c[i]*=count;
}
vector<ll> r(c.size()+1);

for(ll i=1;i<=c.size();i++) {
  r[i]=r[i-1]+c[i-1];
}

reverse(all(b));

ll B=0;
for(ll i=0;i<=b.size();i++) {
ll sum=A*i;
ll ind=lower_bound(all(c),-B)-c.begin();
sum+=r.back()-r[ind]+B*(c.size()-ind);

  
ans=max(ans,sum);

if(i<b.size()) B+=b[i];
}


return ans;

}


ll solve2(vector<ll> a,vector<ll> b,vector<ll> c) {
ll ans=-INF;
//Aが0以上のみ取る
ll count=0;
ll A=0;
reverse(all(a));
for(ll i=0;i<a.size();i++) {
  if(a[i]>=0) {
    count++;
 A+=a[i];
  }
  }


for(ll i=0;i<c.size();i++) {
  c[i]*=count;
}
vector<ll> r(c.size()+1);

for(ll i=1;i<=c.size();i++) {
  r[i]=r[i-1]+c[i-1];
}

reverse(all(b));

ll B=0;
for(ll i=0;i<=b.size();i++) {
ll sum=A*i;
ll ind=lower_bound(all(c),-B)-c.begin();
sum+=r.back()-r[ind]+B*(c.size()-ind);

  
ans=max(ans,sum);

if(i<b.size()) B+=b[i];
}


return ans;

}

int main() {
    ios::sync_with_stdio(false);
  cin.tie(0);
  
  ll na,nb,nc;cin>>na>>nb>>nc;
  vector<ll> A(na),B(nb),C(nc);
  for(ll i=0;i<na;i++) cin>>A[i];
  for(ll i=0;i<nb;i++) cin>>B[i];
  for(ll i=0;i<nc;i++) cin>>C[i];

sort(all(A));
sort(all(B));
sort(all(C));

ll ans=-INF;
vector<vector<ll>> vec(3);
vec[0]=A;
vec[1]=B;
vec[2]=C;


for(ll i=0;i<3;i++) {
      ans=max(ans,solve(vec[i],vec[(i+1)%3],vec[(i+2)%3]));
      ans=max(ans,solve2(vec[i],vec[(i+1)%3],vec[(i+2)%3]));
    }


cout<<ans<<endl;
}