#include <iostream>
using namespace std;
int main()
{
int year;
bool isLeapyear"
cout<<"enter the year:";
cin>>year;
isleapyear=((year%4==0 & &year % 100!=0)||(year%400==0));
if(isLeapYear)
cout<<year<<"is a leap year"<<endl;
else
cout<<year<<"is not a leap year"<<endl;
return 0;
}