import java.util.Scanner ;
public class Task4 {
	
	public static void main (String[] args) {
		Scanner input = new Scanner ( System.in ) ;
		int year =0;
		
	do{
		System.out.print ( "Enter year : ") ;	
		year = input.nextInt() ;
		
	}while (year<500);
	Leap(year);

	
	}
	
	public static void Leap (int year){
		if(year%100==0){
			if(year%400==0&&year%4==0){
				System.out.println ( "Century Leap year  ") ;
			}else{
				System.out.println ( "Not a Leap year  ") ;
			}
		}else{
			if(year%4==0){
				System.out.println ( "Leap year  ") ;
			}else{
				System.out.println ( "Not a Leap year  ") ;
			}
		}
		
	}
	
}