// Arup Guha
// 8/26/2026
// Program to illustrate use of if statement

import java.util.*;

public class leapyear {

	public static void main(String[] args) {
	
		// Create a scanner object.
		Scanner stdin = new Scanner(System.in);
	
		// Get the rectangle dimensions.
		System.out.println("Please enter a year.");
		int year = stdin.nextInt();
		
		// Assume not a leap year.
		boolean isLeap = false;
		
		// One way a year is a leap year.
		if (year%4 == 0 && year%100 !=0)
			isLeap = true;
			
		// The other way.
		if (year%400 == 0)
			isLeap = true;
			
		// Output result.
		if (isLeap)
			System.out.println(year+" is a leap year.");
		else
			System.out.println(year+"is NOT a leap year.");
		
		// Alternate solution.
		if ( (year%4 == 0 && year%100 !=0) || year%400 == 0 )
			System.out.println(year+" is a leap year.");
		else
			System.out.println(year+"is NOT a leap year.");
	}
}