#include using namespace std; using ll = long long; using ull = unsigned long long; #define rep(i,a) for(int i=0;i<(a);i++) #define MOD 1000000007 int main(){ vector> value(5); rep(i,5) cin>>value[i].first>>value[i].second; vector> v(3); rep(i,3) rep(j,5){ string name=value[j].first; v[i].insert(make_pair(name,0)); } int n[3]; rep(i,3){ cin>>n[i]; rep(j,n[i]){ string s; cin>>s; v[i][s]++; } } ll num[5]; rep(i,5){ string name=value[i].first; ll tmp=5; rep(j,3){ tmp*=1LL*v[j][name]; } num[i]=tmp; } ll total=1; rep(i,3) total*=n[i]; double ans=0.0; rep(i,5){ ans+=value[i].second*num[i]/(total*1.0); } cout<