package  main

import (
    "fmt"
    "sort"
)

const N int = 100010
var s [N]int

func main() {
    var n int
    fmt.Scanf("%d", &n)

    for i := 0; i < n; i++ {
        fmt.Scanf("%d", &s[i])
    }

    sort.Ints(s[0:n])

    res := 0
    for i := 0; i < n; i++ {
        res += s[i] * (n - i - 1)
    }

    fmt.Printf("%d\n", res)
}