# coding=utf-8
import sys

def solve():
  try:
    # 获取行(n)和列(m)
    a = sys.stdin.readline().split()
    n, m = int(a[0]), int(a[1])
    arr = []
    for i in range(n):
      # 列表模拟二维数组
      p = list(map(int, sys.stdin.readline().split()))
      arr.append(p)
    # 获取要查找的数
    s = int(sys.stdin.readline().strip())
    i = 0
    j = m - 1
    while i<n and j>=0:
      if arr[i][j] == s:
        # 相等返回1查找成功
        return 1
      elif arr[i][j] < s:
        # 小于要查找的元素，行加1
        i += 1
      else:
        # 大于要查找的元素，列加1
        j -= 1
    return 0
  except Exception:
    return "input error"


if __name__ == "__main__":
  print(solve())