# To check a year is leap year or not
public class Largest {
  public static void main(String[] args) {
    int year = 2019;
    boolean leap = false;
if (year % 4 == 0) {
      if (year % 100 == 0) {
        if (year % 400 == 0)
          leap = true;
        else
          leap = false;
      }
      else
        leap = true;
    }
    else
      leap = false;
    if(leap)
      System.out.println(year + " is a leap year.");
    else
      System.out.println(year + " is not a leap year.");
  }
}