#!/usr/bin/env awk

BEGIN {
  FS = "[: ]"
  total = 0
}
{
  sum = $1
  num_opers = 2
  num_of_nums = NF - 2
  num_of_results = 1

  # Create list of numbers
  # Create list of results
  for (i = 3; i <= NF; i++) {
    nums[i-2] = $i
  }
  results[1] = nums[1]
  # Starting applying additions to results
  # Starting from second number
  for (i = 2; i <= num_of_nums; i++) {
    number = nums[i] 
    for (j = 1; j <= num_of_results; j++) {
      element = results[j]
      results[j+num_of_results] = element * number
      results[j] = results[j] + number
    }
    num_of_results *= num_opers
  }
  expected = ( num_of_nums - 1 ) * num_opers

  # Check results
  for (i=1; i <= num_of_results; i++) {
    if ( results[i] == $1 ) {
      start_val = i % num_of_nums
      stack_num = (i - start_val) / num_of_nums
      total = total + $1
      break
    }
  }
  delete results
  delete nums
}
END {
  print total
}