# frozen_string_literal: true

N, M, K = gets.chomp.split.map(&:to_i)

ROW = gets.chomp.split
OP = ROW[0].intern
BS = ROW[1..-1].map(&:to_i)

AS = N.times.map do
  gets.to_i
end

puts(case OP
     when :+
       (AS.sum * M + BS.sum * N) % K
     else
       AS.map { |a| a * BS.sum }.sum % K
     end)