#include <bits/stdc++.h> using namespace std; int main(){ int n; int b; int a[1006]; while(1) { cin >> n; if(n == 0) { break; } //成绩录入 for (int i = 1 ; i <= n;i++) { cin >> a[i]; } int s; cin >> s; b = 0; for (int i = 1 ; i <= n;i++) { if(a[i] == s) { b++; } } cout << b; } return 0; }