#include <stdio.h>

int main() {
    
    int year;
    bool is_leap_year = ((year % 4 == 0 && year % 100 != 0) || (year % 400 == 0));
    
    if (is_leap_year == 1) {
        printf("Leap Year");
    }
    else {
        printf("Not a leap year");
    }
    return 0;
    
}