#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <iterator>
using namespace std;

int main() {



  int N;
  cin >> N;
  int r[] = {1,1,1,1,1,1,1,1,1,1};

  //数値をいじる
  for (int i = 0; i < N; i++) {
    int a,b,c,d;
    string s;
    cin >> a >> b >> c >>d >> s;
    if (s == "YES") {
      r[a] = r[a] + 1;
      r[b] = r[b] + 1;
      r[c] = r[c] + 1;
      r[d] = r[d] + 1;
    } else {
      r[a] = r[a] - 1;
      r[b] = r[b] - 1;
      r[c] = r[c] - 1;
      r[d] = r[d] - 1;
    }
  }
  int max = r[0];
  for (int i = 0; i < 10; i++) {
    if (max < r[i]) {
      max = r[i];
    }
  }
  for (int i = 0; i < 10; i++) {
    if(r[i] == max) {
      cout << i << "\n";
    }
  }

  return 0;
}