#include <stdio.h>
#include <atcoder/all>
#include <bits/stdc++.h>
using namespace std;
using namespace atcoder;
using mint = modint998244353;
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define Inf32 1000000001
#define Inf64 4000000000000000001


int main(){
	
	long long N,M,K;
	cin>>N>>M>>K;
	
	vector<long long> a(N);
	rep(i,N)cin>>a[i];
	vector<long long> t;
	vector<vector<long long>> vs(4);
	rep(i,4)vs[i].push_back(0);
	rep(i,4){
		if(i==0)continue;
		rep(j,N)vs[i].push_back(a[j]);
	}
	rep(i,N){
		rep(j,N){
			rep(k,4){
				if(k>=2){
					vs[k].push_back(a[i]+a[j]);
					
				}
			}
		}
	}
	rep(i,N){
		rep(j,N){
			rep(k,N){
				rep(l,4){
					if(l==3){
						vs[l].push_back(a[i]+a[j]+a[k]);
					}
				}
			}
		}
	}
	rep(i,4){
		sort(vs[i].begin(),vs[i].end());
	}
	long long ans = 0;
	rep(i,4){
		int x = i;
		int y = K-i;
		if(y<0||y>=4)continue;
		rep(j,vs[x].size()){
			long long tt = vs[x][j];
			if(tt>M)continue;
			int d = distance(vs[y].begin(),upper_bound(vs[y].begin(),vs[y].end(),M-tt));
			d--;
			tt += vs[y][d];
			ans = max(ans,tt);
		}
	}
	cout<<ans<<endl;
	
	return 0;
}