N,A,B,C=map(int,input().split())

l=[int(input()) for i in range(N)]

INF=3000

def mp(co,a,b,c):
    if co==N:
        return abs(a-A)+abs(b-B)+abs(c-C)-30 if min(a,b,c)>0 else INF

    ret0=mp(co+1,a,b,c)
    ret1=mp(co+1,a+l[co],b,c)+10
    ret2=mp(co+1,a,b+l[co],c)+10
    ret3=mp(co+1,a,b,c+l[co])+10

    return min(ret0,ret1,ret2,ret3)

print(mp(0,0,0,0))
