#include <bits/stdc++.h>
// #include "atcoder/modint"

using i64 = long long;
// using Fp = atcoder::modint998244353;

int main() {
    int N, M;
    i64 B;
    std::cin >> N >> M >> B;
    std::vector<i64> A(N);
    for (auto &e : A) std::cin >> e;
    M %= B;
    std::vector<i64> dp(N + 1);
    dp[0] = 1;
    for (int i = 0; i < N; ++i) {
        dp[i + 1] = dp[i] + dp[i] * M;
        dp[i + 1] %= B;
    }
    std::cout << dp[N] << std::endl;
}