#include <bits/stdc++.h> using namespace std;

int main() { int n; cin >> n;

int sum = 0; int min_num; int x; cin >> x; sum = sum + x; min_num = x;

for(int i = 2; i <= n; i++) { cin >> x; sum = sum + x; if(x < min_num) { min_num = x; } }

int ans = sum - min_num * n; cout << ans << endl; return 0; }