#include <iostream>

using namespace std;

int main(int argc, const char* argv[])
{
	int N;
	cin >> N;
	int v[10] = {0};
	for (int i = 0; i < N; i++) {
		int a, b, c, d;
		string R;
		cin >> a >> b >> c >> d >> R;
		int inc = R == "YES" ? 1 : -1;
		v[a] += inc;
		v[b] += inc;
		v[c] += inc;
		v[d] += inc;
	}
	int maxV  = -6 - 1;
	int index = -1;
	int i	 = 0;
	for (auto&& a : v) {
		if (a >= maxV) {
			maxV  = a;
			index = i;
		}
		i++;
	}
	cout << index << endl;
	return 0;
}