OLD BOOKS 100/100

function bookcheck(input) {

    let i = 0;
    let data = input;
    let book = data[i];
    i++;
    let count = Number(data[i]);
    i++;

    while ((book !== data[i]) && ((i-2) <= count)) {
        i++;

        }



    if (book == data[i]) {

        console.log(`You checked ${i-2} books and found it.`);
        }

        else {
        console.log(`The book you search is not here!`);
        console.log(`You checked ${count} books.`);


}

}