import java.util.Scanner;
public class Alura {
/**
* par o impar
*/
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
int numero = scanner.nextInt();
scanner.close();
if (numero % 2 == 0) {
System.out.println("par");
} else {
System.out.println("impar");
}
}
}