function solve() {
    let siteCollection=document.querySelectorAll('.link-1');
    Array.from(siteCollection).forEach(elem=>{
        elem.addEventListener('click',(ev)=>{
            let paragraph=elem.querySelector('p');
            let counter=paragraph.textContent.split(" ")[1];
            counter++;
            paragraph.innerHTML=`visited ${counter} times`;
        });
    });


}