This submission is migrated from previous version of oj.uz, which used different machine for grading. This submission may have different result if resubmitted.
#include <bits/stdc++.h>
using namespace std;
// #define int long long
#define pi pair<int,int>
#define vi vector<int>
#define rep(i,x,n) for(int i=x; i<n; ++i)
#define For(i,n) rep(i,0,n)
#define endl "\n"
#define sp ' '
#define pb push_back
#define f first
#define s second
#define sz size()
#define all(x) (x).begin(),(x).end()
const int N = 20, OO = 2e9, mod = 1e9+7, mx = 2e3+1;
const int dx[]{0,1}, dy[]{1,0};
void tr(int a, int b){cout << a << sp << b << endl;}
void cmx(int &a, int b){a = max(a,b);}
void cmn(int &a, int b){a = min(a,b);}
int dp[mx], a[N], b[N];
int32_t main() {
ios::sync_with_stdio(0); cin.tie(0);
// freopen("talent.in", "r", stdin);
// freopen("talent.out", "w", stdout);
int n,m; cin >> n >> m;
For(i,n) cin >> a[i];
For(i,m) cin >> b[i];
dp[0] = 1;
For(i,m){
for(int x=mx-1; x>=1; --x){
if(x-b[i] >= 0) {
dp[x] |= dp[x-b[i]];
}else break;
}
}
if(dp[a[0]]) cout << "YES";
else cout << "NO";
cout << endl;
return 0;
}
/*
Just some notices :
I believe you can do it !
You've done things that were harder ...
Stay calm and focused =)
*/
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