#!/usr/bin/env ruby
# (C)2006 Sato Makoto

wid = 1280
hei = 1024
per = 0.75
i = 1

while wid > 100 do
  print i,":",wid.round,",",hei.round,"\n"
  wid = wid * per
  hei = hei * per
  i += 1
end