VKScript

var OWNER_ID = 139867065;
var COUNT = 7;

var photos = API.photos.getProfile({
    "owner_id": OWNER_ID,
    "count": COUNT,
    "extended": 1,
    "rev": 1,
});

var items = photos.items;
var i = 0;
var counter = 0;

while (i < items.length) {
    if (items[i].likes.user_likes == 0) {
        API.likes.add({
            "type": "photo",
            "item_id": items[i].id,
            "owner_id": OWNER_ID,
        });
        counter = counter + 1;
    }
    i = i + 1;
}

return counter;