#include <iostream>

using namespace std;

const int N = 100010;

int a[N], b[N];
int main()
{
    int n, m;
    cin >> n >> m;
    for(int i = 0; i < n; i ++) cin >> a[i];
    for(int i = 0; i < m; i ++) cin >> b[i];
    int cnt = 0;
    for(int i = 0, j = 0; i < n; i ++)
    {
        while(j < m - 1 && a[i] != b[j]) j ++;
        if(a[i] == b[j]) 
        {
            cnt ++;
            // cout << i << " " << j << endl; 
            j ++;
        }
    }
    if(cnt == n) cout << "Yes" << endl;
    else cout << "No" << endl;
    return 0;
}