#!/usr/bin/env python3
import sys
input = sys.stdin.readline

possibility = [True] * 10
n = int(input())
for _ in range(n):
    a, b, c, d, r = input().split()
    choise = set()
    choise.add(int(a))
    choise.add(int(b))
    choise.add(int(c))
    choise.add(int(d))
    if r == "YES":
        for i in range(10):
            if i not in choise:
                possibility[i] = False
    else:
        for i in range(10):
            if i in choise:
                possibility[i] = False

for i, item in enumerate(possibility):
    if item:
        print(i)