Program to print leap years between two leap years

#include<iostream>

using namespace std;

int main()

{

int a,n,count=0,year;

cout<<"\n give starting year:";

cin>>a;

cout<<"\n give an ending year:";

cin>>n;

cout<<"\n leap years between range : ";

for(year=a;year<=n;year++)

if(( year % 400 == 0 || year % 100 != 0) && (year % 4 == 0))

{

cout<<"\n"<<year;

count++;

}

if (count==0)

cout<<"no leap year found";

}