import sys

sys.setrecursionlimit(10**7)
def I(): return int(sys.stdin.readline().rstrip())
def MI(): return map(int,sys.stdin.readline().rstrip().split())
def LI(): return list(map(int,sys.stdin.readline().rstrip().split()))
def LI2(): return list(map(int,sys.stdin.readline().rstrip()))
def S(): return sys.stdin.readline().rstrip()
def LS(): return list(sys.stdin.readline().rstrip().split())
def LS2(): return list(sys.stdin.readline().rstrip())


N,K = MI()
C = [0]+LI()
str_K = [0]+[int(s) for s in str(K)]
digit_K = len(str_K)-1

if N < digit_K:
    print(-1)
    exit()

if N > digit_K:
    ANS = [0]*N
    idx = 0
    for i in range(1,10):
        c = C[i]
        s = str(i)
        for j in range(c):
            ANS[idx+j] = s
        idx += c
    ans = ''.join(ANS)
    print(ans)
    exit()

S_count_K = [[0]*10 for _ in range(N+1)]
for i in range(1,N+1):
    for j in range(10):
        S_count_K[i][j] += S_count_K[i-1][j]
    k = str_K[i]
    S_count_K[i][k] += 1

for i in range(N,0,-1):
    if S_count_K[i-1][0]:
        continue
    for j in range(1,10):
        if S_count_K[i-1][j] > C[j]:
            break
    else:
        x = str_K[i]
        for k in range(x+1,10):
            if C[k]-S_count_K[i-1][k]:
                C[k] -= 1
                ANS = str_K[1:i]+[k]
                for l in range(1,10):
                    c = C[l]-S_count_K[i-1][l]
                    for _ in range(c):
                        ANS.append(l)
                str_ANS = [str(a) for a in ANS]
                ans = ''.join(str_ANS)
                print(ans)
                exit()

print(-1)