#yuki706
import operator

n=int(raw_input())
s=[]
for i in xrange(n):
 t=raw_input()
 s.append(t.count('^'))
u=[0 for i in xrange(1001)]
for i in xrange(n):
 u[s[i]]+=1
print max(zip(u, range(len(u))))[1]