#include <bits/stdc++.h> using namespace std; int main() { int N; cin >> N; vector<int> A(N), B(N), C(N), D(N); vector<string> R(N); for (int i = 0; i < N; i++) cin >> A[i] >> B[i] >> C[i] >> D[i] >> R[i]; vector<int> n(10, 0); for (int i = 0; i < N; i++) if (R[i] == "YES") n[A[i]]++, n[B[i]]++, n[C[i]]++, n[D[i]]++; else n[A[i]] = -1000000000, n[B[i]] = -1000000000, n[C[i]] = -1000000000, n[D[i]] = -1000000000; int maxn = -1000000001, ans; for (int i = 0; i < 10; i++) if (n[i] > maxn) maxn = n[i], ans = i; cout << ans << endl; }