require 'time'

# GMT+9 August 9, 1945 11:02am
lastBoom = Time.new(1945,8,9,11,2,0,"+09:00")
secSince = Time.new - lastBoom
daysSince = secSince / 86400

lines = [
  "+++ SAFETY FIRST +++",
  "",
  "This planet has gone",
  "[ #{daysSince.to_i} ] DAYS",
  "without a nuclear war",
  "",
  "+++ SAFETY FIRST +++"
]
maxWidth = 0
lines.each do |i|
  t = i.length
  maxWidth = t if t > maxWidth
end
maxWidth += 1 if maxWidth.odd?
maxWidth += 2 # padding

puts ''
lines.each do |i|
  puts i.center(maxWidth)
end
puts ''