include <bits/stdc++.h>

using namespace std;

int main() {

int a, b, c, ji = 0; cin >> a >> b; for (int i = 1; i <= a; i++) {

cin >> c;
if (c == b) {
	ji++;
}

} if (ji >= 1) {

cout << "found";

} else {

cout << "not found";

} return 0; }