# frozen_string_literal: true

def solve
  A.chars.then do |map|
    S.chars
     .map { (integer = _1.integer?) ? map[integer] : _1 }
     .join
  end
end

class String
  def integer?
    Integer self
  rescue StandardError
    false
  end
end

A, S = 2.times.map { gets.chomp }

puts solve