#include <bits/stdc++.h>

using namespace std;


int main(){
    ios::sync_with_stdio(0);
    cin.tie(0);

    int n, k;
    cin >> n >> k;

    set<int> tasty_foods;
    int tastiest = 0;

    for(int i = 0; i < n; ++i){
        int a;
        cin >> a;
        
        if(a > tastiest){
            tasty_foods.clear();
            tastiest = a;
            tasty_foods.insert(i+1);
        } else if(a == tastiest){
            tasty_foods.insert(i+1);
        }
    }

    for(int i = 0; i < k; ++i){
        int b;
        cin >> b;

        if(tasty_foods.count(b)){
            cout << "Yes" << endl;
            return 0;
        }
    }

    cout << "No" << endl;

    cout << flush;

    return 0;
}