inv

var counter = 0;
var cells = [];
var need = 3;
for (var i = 0; i < array_length(global.invent); ++i) {

    if (global.invent[i].nameItem == "яблоко") {
        counter += 1;
        array_push(cells, i);

        if (counter == need) break;
    }
}

if (counter == need) {
    for (var i = 0; i < array_length(cells); ++i) {
        global.invent[cells[i]].nameItem = "";
    }
    global.maney += 1;
}