import java.util.Scanner;
public class a004 {
    public static void main(String args[]) {
        Scanner cin = new Scanner(System.in);
        int year;
        while(cin.hasNextInt()) {
            year = cin.nextInt();
            if(year%4 == 0 && year%100 != 0 || year%400 == 0)
                System.out.println("閏年");
            else
                System.out.println("平年");
        }
    }
}