#coding:utf-8

import numpy

def count_eyes(e):
  return e.count('^')

def main():
  N = int(input().strip())
  l = []
  for _ in range(N):
      l.append(count_eyes(input()))
  num_l = numpy.bincount(l)
  max_indexes = numpy.where(num_l == num_l.max())
  print(max_indexes[0][-1])

if __name__ == '__main__':
  main()