n, k = read_line.split
n = n.to_i
k = k.chars.map &.to_i
a = [0] + read_line.split.map(&.to_i)
if n < k.size
  puts -1
elsif n > k.size
  puts (1..9).join { |x| x.to_s * a[x] }
else
  b = a.dup
  pos = nil
  k.each_with_index do |x, i|
    pos = i if b[x + 1..].any? &.positive?
    break if b[x] == 0
    b[x] -= 1
  end
  pos ||= p(-1) + exit
  puts (0...n).join { |i|
    f = i < pos ? k[i] : i == pos ? k[i] + 1 : 1
    (f..).find { |i| a[i] > 0 }.try &.tap { |x| a[x] -= 1 }
  }
end