#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;
}