#include <iostream>

using namespace std;

int main() {
    int n, m; cin >> n >> m;
    for (int i = 0; i < n; ++i) {
        int a; cin >> a;
		if (a == 0) {
			cout << "CAC";
			return 0;
		}
    }
    
    cout << "LON";
    
    return 0;
}