N,A,B,C=map(int,input().split())
l = [int(input()) for i in range(N)]
def dfs(cur,a,b,c):
  if cur==N:
    if min(a,b,c)>0:
      return abs(A-a)+abs(B-b)+abs(C-c)-30
    else:
      return float("INF")
    
  ret0=dfs(cur+1,a,b,c)
  ret1=dfs(cur+1,a+l[cur],b,c)+10
  ret2=dfs(cur+1,a,b+l[cur],c)+10
  ret3=dfs(cur+1,a,b,c+l[cur])+10
  return min(ret0,ret1,ret2,ret3)
  
print(dfs(0,0,0,0))