N = int(input())
c1, c2, c3, c4, c5, c6, c7, c8, c9 = map(int, input().split(' '))

a = []
c = [c1, c2, c3, c4, c5, c6, c7, c8, c9]


for i in range(9):
    for k in range(c[i]):
        a.append(str(i + 1))

a.sort(reverse=True)

I = ''.join(a)

print(I)