#include <bits/stdc++.h>
#define int long long
#define all(x) x.begin(), x.end()
#define allr(x) x.rbegin(), x.rend()
#define sz size()
#define yes "YES"
#define no "NO"
#define IOI ios_base::sync_with_stdio(0); cin.tie(0); cout.tie(0)
#define pf push_front
#define pb push_back
#define S second
#define F first
using namespace std;
const int N = 5000 + 5;
const int NN = 20;
const int mod = (1e9 + 7);
const int inf = 1e18;
void legenda_ne_umret(){
int n, m;
cin >> n >> m;
int x;
cin >> x;
int a[m + 4];
for (int i = 1; i <= m; i++) {
cin >> a[i];
}
sort(a + 1,a + m + 1);
for (int i = m; i >= 1; i--) {
if (a[i] <= x) x-= a[i];
}
if (!x) cout << yes;
else cout << no;
}
signed main() {
IOI;
// freopen("maze.in", "r", stdin);
// freopen("maze.out", "w", stdout);
/////////////////////////////////////////////
int t = 1;
// cin >> t;
for (int i = 1; i <= t; i++) {
// cout << "Case " << i << ":\n";
legenda_ne_umret();
// cout << '\n';
}
}
