AtCoder Beginner Contest 231 B – Election

n = int(input())
s = [input() for i in range(n)]

ss = set(s)

cnt = 0
maxi = 0
for i in ss:
    cnt = 0
    for j in s:
        if i == j:
            cnt += 1
    if cnt > maxi:
        ans = i
        maxi = cnt
print(ans)