func main()
	var ss: [][]char
	do ss :: cui@input().split(" ")
	var n: int :: ss[0].toInt(&)
	var m: int :: ss[1].toInt(&)
	var k: int :: ss[2].toInt(&)
	do ss :: cui@input().split(" ")
	var op: char :: ss[0][0]
	var bSum: int :: 0
	for i(1, m)
		do bSum :+ ss[i].toInt(&)
		do bSum :% k
	end for
	var aSum: int :: 0
	for i(0, n - 1)
		do aSum :+ cui@input().toInt(&)
		do aSum :% k
	end for
	
	var ans: int :: op = '+' ?(aSum * m + bSum * n, aSum * bSum)
	do ans :% k
	do cui@print("\{ans}\n")
end func