num = gets.to_i
words1 = gets.split
words2 = gets.split
differ = Array.new

# element num == 1
if num == 1
    puts 1, words1, words2
    return
end

diff = words1 & words2
differ = words1 - diff

index = words1.find_index(differ[0])
puts index + 1, words1[index], words2[index]