N,A,B,C=[int(i) for i in input().split()]
l=[int(input()) for _ in range(n)]
INF=10**18

def dfs(cur, a, b, c):
    if cur==N:
        return abs(a-A)+abs(b-B)+abs(c-C)-30 
    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))