import sys

sys.setrecursionlimit(200005)
int1 = lambda x: int(x)-1
p2D = lambda x: print(*x, sep="\n")
def II(): return int(sys.stdin.readline())
def LI(): return list(map(int, sys.stdin.readline().split()))
def LI1(): return list(map(int1, sys.stdin.readline().split()))
def LLI(rows_number): return [LI() for _ in range(rows_number)]
def LLI1(rows_number): return [LI1() for _ in range(rows_number)]
def SI(): return sys.stdin.readline().rstrip()
# dij = [(0, 1), (-1, 0), (0, -1), (1, 0)]
dij = [(0, 1), (-1, 0), (0, -1), (1, 0), (1, 1), (1, -1), (-1, 1), (-1, -1)]
inf = 10**16
# md = 998244353
md = 10**9+7

def nCr(com_n, com_r):
    if com_r < 0: return 0
    if com_n < com_r: return 0
    return fac[com_n]*ifac[com_r]%md*ifac[com_n-com_r]%md

# 準備
n_max = 200005
fac = [1]
for i in range(1, n_max+1): fac.append(fac[-1]*i%md)
ifac = [1]*(n_max+1)
ifac[n_max] = pow(fac[n_max], md-2, md)
for i in range(n_max-1, 1, -1): ifac[i] = ifac[i+1]*(i+1)%md

n, kk = SI().split()
n = int(n)
cc = LI()
kk = list(map(int, kk))
m = len(kk)

if n < m:
    print(-1)
    exit()

if n > m:
    ans = []
    for i, c in enumerate(cc, 1):
        ans += [i]*c
    print(*ans, sep="")
    exit()

def ok(k):
    for i in range(k, 9):
        if cc[i]-dd[i]: return True
    return False

dd = [0]*9
last = -1
for i, k in enumerate(kk):
    if k == 0 or ok(k): last = i
    if cc[k-1] == dd[k-1]: break
    if k == 0: break
    dd[k-1] += 1
# print(last)

ans = []
for k in kk[:last]:
    ans.append(k)
    cc[k-1] -= 1

k = kk[last]
for i in range(k, 9):
    if cc[i]:
        ans.append(i+1)
        cc[i] -= 1
        break

for i in range(9):
    ans += [i+1]*cc[i]

print(*ans, sep="")