#include <bits/stdc++.h>

using namespace std;

#ifdef ACMTUYO
struct RTC{~RTC(){cerr << "Time: " << clock() * 1.0 / CLOCKS_PER_SEC <<" seconds\n";}} runtimecount;
#define DBG(X) cerr << #X << " = " << X << '\n';
#else
struct RTC{};
#define DBG(X)
#endif

#define fast_io() ios_base::sync_with_stdio(false)
#define mp make_pair
#define mt make_tuple
#define pb push_back
#define eb emplace_back
#define sz(x) ((int)(x).size())
#define all(c) (c).begin(),(c).end()
#define forn(i, n) for (int i = 0; i < (n); i++)
typedef long long int number;

struct team{
  string nombre;
  int t;
  int p[20];
  int ac;
  team() {
  }
  team(string n) {
    nombre = n;
    t = 0;
    ac = 0;
    for(int i = 0; i < 20; i++)
      p[i] = 0;
  }
  void penalizar(int problem) {
    p[problem]++;
  }
  void accepted(int problem,int tiempo) {
    t += p[problem] * 20 + tiempo;
    ac++;
  }
};
vector<team> v;
string myteam;
int main() {
  int n,envios,problemas;
  cin>>n>>envios>>problemas;
  string s;
  for(int i = 0; i < n; i++) {
    cin>>s;
    team x(s);
    v.push_back(x);
  }
  myteam = v[0].nombre;
  string nom,id,resp;
  int tenvio;
  int start = 0, ans = 0;
  for(int i = 0; i < envios; i++) {
    cin>>nom>>id>>tenvio>>resp;
    int index = -1;
    for(int j = 0; j < n; j++) {
      if(v[j].nombre == nom) {
        index = j;
        break;
      }
    }
    string lider = v[0].nombre;
    //cout<<i<<": Lider "<<lider<<endl;
    if(resp == "NO"){
      v[index].penalizar(id[0] - 'A');
    }else {
      v[index].accepted(id[0] - 'A', tenvio);
      while(index > 0) {
        if(v[index].ac > v[index - 1].ac) {
          swap(v[index],v[index - 1]);
        }else {
          if(v[index].ac == v[index - 1].ac) {
            if(v[index].t < v[index - 1].t) {
              swap(v[index],v[index - 1]);
            }else {
              break;
            }
          }else {
            break;
          }
        }
        index--;
      }
      if(lider != v[0].nombre) {
        if(lider == myteam) {
          ans += (tenvio - start);
        }else {
          if(v[0].nombre == myteam) {
      //      cout<<"inicio en: "<<tenvio<<endl;
            start = tenvio;
          }
        }
      }
    }
  }
  cout<<ans<<"\n";
  return 0;
}