#include <iostream>

using namespace std;

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

int main()
{
    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 = 0, j = 0;
    while(i < n && j < m)
    {
        if(a[i] == b[j]) i ++;                  
        j ++;                 
    }

    if(i == n) printf("Yes");
    else printf("No");
    return 0;
}