#include <bits/stdc++.h>
#define ff first
#define ss second
#define cont continue;
#define sz size()
#define pb push_back
using namespace std;
typedef long long ll;
const int N = 100005;
void solve();
ll n, m, b[N], jp, c, dp[N];
int main() {
// ios::sync_with_stdio(false);
// cin.tie(0);
// freopen("bank.in", "r", stdin);
// freopen("bank.out", "w", stdout);
cin >> n >> m;
cin >> jp;
for (int i = 1; i <= m; ++i) cin >> b[i], c += b[i];
for (int i = 1; i <= m; ++i) {
for (int j = c; j >= 0; --j) {
if (dp[j] > 0 or j == 0) {
dp[j + b[i]] = 1;
}
}
}
if (dp[jp] != 0) cout << "YES\n";
else cout << "NO\n";
}
