#include <iostream>
#include <cstring>
#include <algorithm>
using namespace std;
const int N = 1e5+10;
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 i,j;
    for ( i = 0,j=0; i < m&&j!=n; i ++ ){
        if(a[j]==b[i]) j++;
    }
    if(j==n) cout << "Yes";
    else cout << "No";
    return 0;
}