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;

}