#1931 회의실 배정

# 시간초과
n = int(input())
data = [list(map(int, input().split())) for _ in range(n)]
data.sort()

result = [0 for _ in range(n)]

for i in range(n):
  last = data[i][1]  
  for j in range(i, n):
    if data[j][0] >= last:
      result[i] += 1
      last = data[j][1]

print(max(result) + 1)

# 정답
n = int(input())
data = [list(map(int, input().split())) for _ in range(n)]
data.sort(key=lambda x: (x[1], x[0]))

result = 0
last = 0

for d in data:
  if d[0] >= last:
    last = d[1]
    result +=1

print(result)

# sys.stdin.readline() vs input() 속도차이