#include <iostream>
using namespace std;
int main() {
// your code goes hereong
long long x,y,z;
cin>>x;
long long p[x];
for(int i=0;i<x;i++)
cin>>p[i];
cin>>y;
long long q[y];
for(int i=0;i<y;i++)
cin>>q[i];
cin>>z;
long long r[z],c=0;
for(int i=0;i<z;i++)
cin>>r[z];
for(int i=0;i<x;i++)
{
for(int j=0;j<y;j++)
{
for(int k=0;k<z;k++)
{
if(p[i]<=q[j]&& q[j]<= r[k])
{
c++;
break;
}
}
}
}
cout<<c*2;
return 0;
}
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