function arrayManipulations(arr) {
    let array = arr.shift().split(' ')
    arr.forEach(line => {
        let [command, ...args] = line.split(' ');
        if (command === 'Add') {
            array.push(args[0]);
        } else if (command === 'Remove') {
            if (array.indexOf(args[0]) !== -1) {
                array.splice(array.indexOf(args[0]), 1);
            }
        } else if (command === 'RemoveAt') {
            array.splice(args[0], 1)
        } else if (command === 'Insert') {
            array.splice(args[1], 0, args[0]);
        }
    })
    return array.map(Number).join(' ');
}