N = int(input())
anslist = []
for i in range(N):
    anslist.append(input().split())

anstable = [[str(0) for i in range(10)] for j in range(N)]
# print(anslist)
for k in range(len(anslist)):
    if anslist[k][4] == "YES":
        for l in range(4):
            anstable[k][int(anslist[k][l])] = "o"
        for m in range(10):
            if anstable[k][m] != "o":
                anstable[k][m] = "x"
            else:
                anstable[k][m] = "0"
    if anslist[k][4] == "NO":
        for l in range(4):
            anstable[k][int(anslist[k][l])] = "x"

# for i in range(len(anstable)):
#     print(anstable[i])

for i in range(10):
    flag = True
    for j in range(N):
        if anstable[j][i] == "x":
            flag = False
    if flag:
        print(i)     



# for i in range(len(anstable)):
#    print(anstable[i])