#include <iostream>

using namespace std;

int main() {
    int n, m;
    cin >> n;
    cin >> m;
    int A[n], B[m];
    for (int i = 0; i < n; i++)
        cin >> A[i];
    for (int i = 0; i < m; i++)
        cin >> B[i];
    int pointer = 0;
    int i = 0;
    while (n - i >= m - pointer) {
        if (A[i] == B[pointer])
            pointer++;
        i++;
        if (pointer == m)
            break;
    }
    if (pointer == m) {
        cout << "Yes";
    } else cout << "No";
    return 0;
}