N,A,B,C = map(int,input().split())
l = [int(input()) for i in range(N)]
inf = 10**9
def dfs(cur,a,b,c):
    if cur == N:
        return abs(a - A) + abs(b - B) + abs(c - C) - 30 if min(a, b, c) > 0 else inf
    ret0 = dfs(cur+1,a,b,c)
    ret1 = dfs(cur+1,a+l(cur),b,c)
    ret2 = dfs(cur+1,a,b+l(cur),c)
    ret3 = dfs(cur+1,a,b,c+l(cur))
    
    return min(ret0,ret1,ret2,ret3)

print(dfs(0,0,0,0))