import sequtils, strutils, sugar

let
  n = parseInt stdin.readLine
  seq1 = newSeq.collect:
    for _ in 0 ..< n:
      stdin.readLine.len - 2
var
  cnt: array[1005, int]

for l in seq1:
  cnt[l].inc

var
  ans = 0

for i, l in cnt:
  if l >= cnt[ans]:
    ans = i

echo ans