#include 
using namespace std;

int main() {
    int n;
    cin >> n;
    
    int ostatok = n % 2;
    if(ostatok == 0) {
        cout << "PAREN" << endl;
    }
    if(ostatok == 1) {
        cout << "NEPAREN" << endl;
    }
    
    
    return 0;
}