#include<iostream>
#include<vector>
using namespace std;
void rec(vector<int> a , vector<int> b, int i, int key){
    if(i >= a.size())
        return;
    if(a[i] == key)
        b.push_back(i);
    //return rec(a, b, i + 1, key);
    rec(a, b, i + 1, key);
    return;
}

int main() {
    int n;
    cin>>n;
    vector<int> a(n);
    vector<int > b;
    for(int i = 0; i < n; i++)
        cin>>a[i];
    int key;
    cin>>key;
    rec(a, b, 0, key);
    for(int i = 0; i < b.size(); i++)
        cout<<b[i]<<" ";
    return 0;
}