Max Sum of K elements

const getGets = (arr) => {
    let index = 0;

    return () => {
        const toReturn = arr[index];
        index += 1;
        return toReturn;
    };
};
// this is the test
const test = [
  8, 3, 3, 2, 3, -2, 5, 4, 2, 7
];


const gets = this.gets || getGets(test);
const print = this.print || console.log;

// code


const n = +gets();
const k = +gets();
const arr = new Array();

for(let i = 0; i < n; i++) {
    arr.push(gets());
}


var sortedArr = arr.sort().reverse();

//print(sortedArr);

var sum = 0;

for(let n =0; n<k; n++) {
    sum += sortedArr[n];

}

print(sum);