#include <bits/stdc++.h>

using namespace std;

typedef long long ll;
typedef pair<ll,ll> P;
#define REP(i,n) for(ll i=0;i<ll(n);i++)











int main(void){
	cin.tie(nullptr);  ios_base::sync_with_stdio(false);
	ll i,j;




	ll N,S;
	cin >> N >> S;

	vector<ll> a(N);
	REP(i,N){
		cin >> a[i];
	}


	sort(a.begin(),a.end());


	if(a[N-1]>=S){
		cout << a[N-1] << endl;
		return 0;
	}


	ll p=-1;
	S--;
	for(i=N-1;i>=0;i--){
		if(a[i]<=S){
			S-=a[i];
		}
		else{
			p=i;
			break;
		}
	}

	if(p==-1){
			cout << 1 << endl;
			return 0;
	}





    cout << a[p] << endl;




	return 0;

}