import java.util.Scanner;
public class ContinuousLeapYearChecker {
public static void main(String[] args) {
Scanner scanner = new Scanner(System.in);
while (scanner.hasNextInt()) {
int a = scanner.nextInt();
if (a == 0) {
break;
}
if (a % 400 == 0 || (a % 4 == 0 && a % 100 != 0)) {
System.out.println("a leap year");
} else {
System.out.println("a normal year");
}
}
scanner.close();
}
}