#!/usr/bin/env ruby

padding = ARGV[0].to_i
suffix  = ARGV[1].to_s
counter = ARGV[2].to_i

STDIN.each_line do |line|
  counter += 1
  if padding == 0
    template = "%s%s %s"
  else
    template = "%0.#{padding}d%s %s"
  end

  puts template % [counter, suffix, line]
end