//Author: Habibie
#include <bits/stdc++.h>
#pragma GCC optimize("O3","unroll-loops")
using namespace std;
#define pb emplace_back
#define all(x) x.begin(),x.end()
#define rall(x) x.rbegin(),x.rend()
#define lb(v, x) (int)(lower_bound(all(v),x)-v.begin())
#define ub(v, x) (int)(upper_bound(all(v),x)-v.begin())
#define uni(v) v.resize(unique(all(v))-v.begin())
#define sz(x) (int)x.size()
#define inf 0x3f3f3f3f
using ll=long long;
using ull=unsigned long long;
using pii=pair<int,int>;
using i128=__int128;
int n,a,m,b[25],f[1200];
int main()
{
ios::sync_with_stdio(false);
cin.tie(0);
cout.tie(0);
cin>>n>>m>>a;
for(int i=0;i<m;i++)
cin>>b[i];
f[0]=1;
for(int i=1;i<=a;i++)
for(int j=0;j<m;j++)
if(i-b[j]>=0&&f[i-b[j]])
{
f[i]=1;
break;
}
cout<<(f[a]?"YES":"NO")<<'\n';
return 0;
}
