#pragma GCC target("avx2") #pragma GCC optimize("O3") #pragma GCC optimize("unroll-loops") #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace std; using namespace atcoder; typedef long long ll; #define rep(i, n) for (int i = 0; i < (int)(n); i++) #define repr(i, n) for (int i = (int)(n) - 1; i >= 0; i--) #define repk(i, k, n) for (int i = k; i < (int)(n); i++) #define all(v) v.begin(), v.end() #define mod1 1000000007 #define mod2 998244353 #define mod3 100000007 #define vi vector #define vs vector #define vc vector #define vl vector #define vb vector #define vvi vector> #define vvc vector> #define vvl vector> #define vvb vector> #define vvvi vector>> #define vvvl vector>> #define pii pair #define pil pair #define pli pair #define pll pair #define vpii vector> #define vpll vector> #define vvpii vector>> #define vvpll vector>> template void debug(T e){ cerr << e << endl; } template void debug(vector &v){ rep(i, v.size()){ cerr << v[i] << " "; } cerr << endl; } template void debug(vector> &v){ rep(i, v.size()){ rep(j, v[i].size()){ cerr << v[i][j] << " "; } cerr << endl; } } template void debug(vector> &v){ rep(i,v.size()){ cerr << v[i].first << " " << v[i].second << endl; } } template void debug(set &st){ for (auto itr = st.begin(); itr != st.end(); itr++){ cerr << *itr << " "; } cerr << endl; } template void debug(multiset &ms){ for (auto itr = ms.begin(); itr != ms.end(); itr++){ cerr << *itr << " "; } cerr << endl; } template void debug(map &mp){ for (auto itr = mp.begin(); itr != mp.end(); itr++){ cerr << itr->first << " " << itr->second << endl; } } void debug_out(){ cerr << endl; } template void debug_out(Head H, Tail... T){ cerr << H << " "; debug_out(T...); } ll my_pow(ll x, ll n, ll mod){ // 繰り返し二乗法.x^nをmodで割った余り. ll ret; if (n == 0){ ret = 1; } else if (n % 2 == 1){ ret = (x * my_pow((x * x) % mod, n / 2, mod)) % mod; } else{ ret = my_pow((x * x) % mod, n / 2, mod); } return ret; } ll inv(ll x, ll mod){ return my_pow(x, mod - 2, mod); } int main(){ ll N, M, K; cin >> N >> M >> K; vl A(N); rep(i,N) cin >> A[i]; A.push_back(0); N++; ll ans = 0; if (K == 1){ for (ll i = 0; i < N; i++){ if (A[i] <= M) ans = max(ans, A[i]); } } else if (K == 2){ for (ll i = 0; i < N; i++){ for (ll j = 0; j < N; j++){ if (A[i] + A[j] <= M) ans = max(ans, A[i] + A[j]); } } } else if (K == 3){ for (ll i = 0; i < N; i++){ for (ll j = 0; j < N; j++){ for (ll k = 0; k < N; k++){ if (A[i] + A[j] + A[k] <= M) ans = max(ans, A[i] + A[j] + A[k]); } } } } else if (K == 4){ for (ll i = 0; i < N; i++){ for (ll j = 0; j < N; j++){ for (ll k = 0; k < N; k++){ for (ll l = 0; l < N; l++){ if (A[i] + A[j] + A[k] + A[l] <= M) ans = max(ans, A[i] + A[j] + A[k] + A[l]); } } } } } else{ vl former(0); vl latter(0); for (ll i = 0; i < N; i++){ for (ll j = 0; j < N; j++){ for (ll k = 0; k < N; k++){ former.push_back(A[i] + A[j] + A[k]); } } } if (K == 5){ for (ll i = 0; i < N; i++){ for (ll j = 0; j < N; j++){ latter.push_back(A[i] + A[j]); } } } else{ for (ll i = 0; i < N; i++){ for (ll j = 0; j < N; j++){ for (ll k = 0; k < N; k++){ latter.push_back(A[i] + A[j] + A[k]); } } } } sort(all(latter)); //debug(former); //debug(latter); for (ll i = 0; i < former.size(); i++){ if (former[i] + latter[0] > M){ // 何もしない } else if (former[i] + latter[latter.size() - 1] <= M){ ans = max(ans, former[i] + latter[latter.size() - 1]); } else{ auto itr = lower_bound(all(latter), M + 1 - former[i]); itr--; ans = max(ans, *itr + former[i]); } } } cout << ans << endl; }