#include <iostream>
using namespace std;

int main() {
    int N;
    int K;
    string S[100009];
    string T[100009];
    int count = 0;
    cin >> N >> K;
    for (int i = 1; i <= N; i++) {
        cin >> S[i];
    }
    for (int i = 1; i <= N; i++) {
        cin >> T[i];
    }

    for (int i = 1; i <= N; i++) {
        int T_index = 0;
        for (int j = 1; j <=N; j++) {
            if (S[i] == T[j]) {
                T_index = j;
                break;
            }
        }

        if (abs(T_index - i) % K == 0) {
            count++;
        }
    }
    if (count == N) {
        cout << "Yes" << endl;
    } else {
        cout << "No" << endl;
    }
}