function addAndRemove(arr) {
    let spliced = 0;
    let currCommand;
    let num = 1;
    let tempArr = [];
    for (let index = 0; index < arr.length; index++) {
        currCommand = arr[index];
        if (currCommand === 'add') {
            currCommand = num;
            tempArr.push(currCommand)

        } if (currCommand === "remove") {
            tempArr.splice(spliced - 1);
            // tempArr.push(num)
        }
        num++;
        spliced++
    }
    arr=tempArr
    if (!arr.length) {
        console.log(`Empty`)
    } else {
        console.log(`${arr.join(" ")}`)
    }
}