/** kutbilim.one **/
#include <bits/stdc++.h>
using namespace std;
#define all(x) x.begin(),x.end()
#define int long long
#define endl '\n'
signed main(){
ios_base::sync_with_stdio(false);
cin.tie(nullptr);
int n, m;
cin >> n >> m;
vector<int> a(n), b(m);
for(int i = 0; i < n; i++) cin >> a[i];
for(int i = 0; i < m; i++) cin >> b[i];
int result_out = 0;
if(n == 1){
int dp[a[0]+1] = {1};
for(int i = 0; i < n; i++){
for(int j = a[0]-b[i]; j >= 0; j--){
dp[j+b[i]] = dp[j+b[i]] | dp[j];
}
}
result_out = dp[a[0]];
}
cout << (result_out ? "YES" : "NO");
return 0;
}
