local read, write = io.read, io.write
local b=2
local n, sum
n = 1
while n <= 100 do
	sum = 1
	b = 2
	while b < n do
		if n%b == 0 then 
			sum = sum + b
		end
		b = b+1
	end

	if sum == n then 
		write(n)
		write("\n")
	end
	n = n + 1
end