import java.util.Scanner;

public class Main{
  public static void main(String[] args) {
    Scanner in = new Scanner(System.in);
    System.out.print("Enter Your Year : ");
    int n = in.nextInt();
    
    if(n%100==0){
      if(n%400==0){
        System.out.println("Its Leap/Century Year");
      }
      else{
        System.out.println("Not a Leap year");
      }
    }else if(n%4==0){
      System.out.println("Its a Leap Year");
    }
    else{
      System.out.println("Not a leap year");
    }
  } 
}