# 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

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