#include<iostream>
using namespace std;

const int N = 100010;
int n, m;
int a[N], b[N];

int main() {
    scanf("%d%d", &n, &m);
    for (int i = 0; i < n; i ++ ) cin >> a[i];
    for (int j = 0; j < m; j ++ ) cin >> b[j];

    int i = 0, j = 0, count = 0;
    for (i = 0; i < n; i ++ ) {
        while(j < m && a[i] != b[j]) j ++ ;
        if (a[i] == b[j] && j < m) {
            j ++ ;
            count ++ ;
        }
    }
    if (count == n) cout << "Yes" << endl;
    else cout << "No" << endl;

}