#include<iostream>
#include<cstring>
using namespace std;
int main(){
    int a[100010],n,N;
    memset(a,0,sizeof(a));
    cin>>n;
    for(int i=1;i<=n;i++){
        cin>>N;
        a[N]+=1;
    }
    int b;
    cin>>b;
    cout<<a[b]<<endl;
    return 0;
}

只得30