#include <stdio.h>

int main() {
    int year;
    printf("Enter the year (between 1000 and 3000):");
    scanf("%d", &year);
    
    if ((year % 4 == 0 & (year % 4 == 0 && year % 100 !=0)){
        printf("leap year");
    }
    else {
        printf("Not a leap year");
    }
    return 0;
}