Loop with Enumerator

enum_loop.rb

# Enumerator to loop with
months = (1..12).to_a.reverse.each

# Integer to loop with
year = 1000

# month counts down, then resets through loop
# year goes up to 2014 then ends
until year == 2014 do
  begin
    month = months.next
  rescue StopIteration
    months.rewind
    month = months.next
  end
  puts "#{ month }/#{ year }"
  year += 1
end