/// 1n the name of GOD
#include <bits/stdc++.h>
using namespace std;
#define ko exit(0);
#define nl '\n'
#define ios ios_base :: sync_with_stdio(0), cin.tie(0), cout.tie(0);
#define sz(s) (int)s.size()
#define all(s) s.begin(), s.end()
#define oll(s, n, c) (s) + (c), s + (n) + c
#define pb push_back
#define ff first
#define ss second
#define pii pair<int, int>
typedef long long ll;
typedef double db;
const int N = 1e5 + 111;
const int M = 1e9 + 7;
int q, n;
int P;
int a[22];
void man(int id, int S){
if(S >= P || id > n){
if(S == P){
cout << "YES";
exit(0);
}
return;
}
man(id + 1, S + a[id]);
man(id + 1, S);
}
int main(){
ios
cin >> q >> n;
cin >> P;
for(int i = 1; i <= n; ++i){
cin >> a[i];
}
man(1, 0);
cout << "NO";
return 0;
}
