#include <bits/stdc++.h>
using namespace std;
void chmin(int &a, int b) {
  if (a > b) a = b;
}
int N, A, B, C;
vector<int> L;
int rec(int i, int a, int b, int c) {
  if (i == N) {
    if (!a || !b || !c) return INT_MAX;
    return abs(a - A) + abs(b - B) + abs(c - C);
  }
  int res = rec(i + 1, a, b, c);
  chmin(res, rec(i + 1, a + L[i], b, c) + (a ? 10 : 0));
  chmin(res, rec(i + 1, a, b + L[i], c) + (b ? 10 : 0));
  chmin(res, rec(i + 1, a, b, c + L[i]) + (c ? 10 : 0));
  return res;
}
int main() {
  cin >> N >> A >> B >> C;
  L.resize(N);
  for (int i = 0; i < N; ++i) cin >> L[i];
  cout << rec(0, 0, 0, 0) << endl;
}
