#!/usr/bin/env ruby

Input = $stdin.readlines[0].strip.split(",").map(&:to_i)

noun = 0
verb = 0

loop do
  $input = Input.dup
  $input[1] = noun
  $input[2] = verb

  $pc = 0

  def handle_code
    case $input[$pc]
    when 1
      $input[$input[$pc+3]] = $input[$input[$pc+1]] + $input[$input[$pc+2]]
      return true
    when 2
      $input[$input[$pc+3]] = $input[$input[$pc+1]] * $input[$input[$pc+2]]
      return true
    when 99
      return false
    end
  end

  loop do
    continue = handle_code
    break unless continue
    $pc += 4
  end

  break if $input[0] == 19690720

  verb += 1
  if verb == 100
    verb = 0
    noun += 1
  end
end

puts (100 * noun) + verb