arraysession

#include<bits/stdc++.h>

using namespace std;

int main(){

    ios_base::sync_with_stdio(false);
    cin.tie();

    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);

    // n = size
    // arr = {..}
    // x

    int n; cin >> n;
    int arr[n];

    for(int i = 0; i < n; i++){
        cin >> arr[i];
    }

    int x; cin >> x;

    bool found = false;

    for(int i = 0; i < n; i++){
        if(arr[i] == x){
            found = true;
            cout << i << endl;
            break;
        }
    }

    if(not found)
        cout << "NOT FOUND" << endl;

    return 0;
}