list = gets.split.map(&:to_i)
count = 0
flag = 0
for i in 0...list.size do
	count += 1 if list[i] == 1
	if count < 2 && list[i] == 0
		count = 0
		break
	elsif count >= 2
		break
	end
end

puts count == 0 ? "SURVIVED" : "DEAD"