export {}
const input: string[] = require("fs").readFileSync(0, "utf8").toString().trim().split('\n');
const arr: number[] = input[1].split(" ").map(Number).sort((a,b) => a-b);
let [sum, acc] = [0,0];
for(let v of arr){
    acc += v;
    sum += acc;
}
console.log(sum);