let n = readLine()!.split(separator: " ").map{Int($0)!}
let m = readLine()!.split(separator: " ")
let o = m[0]
let h = m[1...].map{Int($0)!}
var v = [Int]()
for _ in 0..<n[0]{
    v += [Int(readLine()!)!]
}
var t = 0
for i in v{
    for j in h{
        t += (o == "+" ? i+j : i*j)
        t %= n[2]
    }
}
print(t)