Bukkit

'2':
#Pays the player $50
#for 2 total days logged in.
  pay: 50
#Day 4
'4':
  pay: 150
'7':
  pay: 400
#broadcast a message (I recommend to delete these.
#They are there for people who chose to not use lang.yml
  broadcast: '&9&o%p logged in for 28 days total!'
  say: '&9&o&4&oYou logged in for 28 days total!'
#Issue a server command, %p is replaced with the player's name.
  command: give %p 264 1
'14':
  pay: 700
'21':
  pay: 700
'28':
  pay: 1400
'35':
  pay: 700
'42':
  pay: 700
'49':
  pay: 700
'56':
  pay: 700
'63':
  pay: 700
'70':
  pay: 700
'77':
  pay: 700
'84':
  pay: 700
'91':
  pay: 700
'98':
  pay: 700
'105':
  pay: 700
'112':
  pay: 700
'119':
  pay: 700
'126':
  pay: 700
'133':
  pay: 700
'140':
  pay: 700
'147':
  pay: 700
'154':
  pay: 700
'161':
  pay: 700
'168':
  pay: 700
'175':
  pay: 700
'182':
  pay: 700
'189':
  pay: 700
'196':
  pay: 700