#include <iostream>
using namespace std;

int main() {
    int n, b;
    cin >> n;
    int* arra = new int[n];
    for (int i = 0; i < n; i++) {
        cin >> arra[i];
    }
    cin >> b;
    int* arrb = new int[b];
    for (int i = 0; i < b; i++) {
        cin >> arrb[i];
    }
    int j = 0;
    for (int i = 0; i < n; j++) {
        if (arra[i] + arrb[j] == 10000) {
            cout << "YES";
            return 0;
        }
        if (j == b - 1) {
            i++;
            j = 0;
        }
    }
    cout << "NO";
    delete[] arra;
    delete[] arrb;
    return 0;
}