while True: try: n = int(input()) if n == 0: break s = list(map(int, input().split())) a = int(input()) res = 0 for i in s: if a == i: res += 1 print(res) except: break
while True: try: n = int(input()) if n == 0: break s = list(map(int, input().split())) a = int(input()) res = 0 for i in s: if a == i: res += 1 print(res) except: break