#include<iostream>
using namespace std;
int main(){
	int a;
	while (cin >> a && a != 0){
		if (a % 400 == 0 || (a % 4 == 0 && a % 100 != 0)){
			cout << "a leap year\n";
		}else{
			cout << "a normal year\n";
		}
	}
	return 0;
}