#include <stdio.h>
int main() {
    int year;
    scanf ("%d,"&year);
    if (year <1000||year >3000){
        printf ("year out of range");
        }
        else{
            if ((year% 400==0)||(year% 4==0 && year % 100!=0)){
                printf ("leap year ")
            }
        else 
        printf ("not a leap year")
            
        }
 return 0       
}