lea zdk 7

m = int(input())
n = int(input())
ll = []
for i in range(m):
  l = []
  for j in range(n):
    broj = int(input())
    l.append(broj)
  ll.append(l)

najveci = ll[0][0]
for i in range(m):
  red_najveci = ll[i][0]
  for j in range(n):
    if ll[i][j] > najveci:
      najveci = ll[i][j]
    if ll[i][j] > red_najveci:
      red_najveci = ll[i][j]
  print (red_najveci)

print(najveci)