#include<bits/stdc++.h>
using namespace std;

vector<string> v[100005];
vector<string> w[100005];
int main()
{
    int N,M;
    string a,b,c;


	cin >> N >> M;
	for(int i=0;i<N;i++)
    {
        cin >> a;
        v[i%M].push_back(a);
    }
    for(int i=0;i<N;i++)
    {
        cin >> a;
        w[i%M].push_back(a);
    }
    for(int i=0;i<100000;i++)
    {
        sort(v[i].begin(),v[i].end());
        sort(w[i].begin(),w[i].end());
        if(v[i]!=w[i])
        {
           // cout << i;
            cout << "No\n";
            return 0;
        }
    }
    cout << "Yes\n";
}