N = gets.to_i
graph = Array.new(N) { [] }
N.times do |i|
	gets.chomp.split.each do |x|
		graph[i] << (x.to_i - 1) if x != ?H
	end
end

dfs = ->(u, p) {
	str = ""
	graph[u].each do |v|
		next if v == p
		str << "(" << dfs[v, u] << "yl)"
	end
	str << "meth"
}
puts dfs[0, 0] + "ane"