import statistics

N = int(input())
S_list = []
for i in range(N):
    S_list.append(input().count("^"))
try:
    print(statistics.mode(S_list))
except:
    S_list.sort()
    max = 0
    count = 0
    for i in range(N-1):
        if S_list[i] == S_list[i+1]:
            count += 1
        else:
            count = 0
        if max <= count:
            max = count
            result = S_list[i]
    print(result)