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#include <bits/stdc++.h>
using namespace std;

#define pll pair<long long, long long>
#define pii pair<int,int>
#define px first
#define py second
#define ll long long
#define eb emplace_back
#define vc vector

struct _debugger{
    void LGdebug(vector<vector<ll>> &g){
        cout << "GRAPH IS:\n";
        for(unsigned ll i=0; i<g.size(); i++){
            cout << i <<": ";
            for(auto c: g[i]) cout << c << " ";
            cout << "\n";
        }
        cout << "----------\n";
    }
    void LWGdebug(vector<vector<pll>> &g){
        cout << "WEIGHTED GRAPH IS:\n";
        for(unsigned ll i=0; i<g.size(); i++){
            cout << i <<": ";
            for(auto c: g[i]) cout << "{x: " << c.px << ", y: " << c.py << "} ";
            cout << "\n";
        }
        cout << "----------\n";
    }
    void LVdebug(vector<ll> &v ){
        cout << "VECTOR IS: " << "\n";
        for(unsigned ll i=0; i<v.size(); i++) cout << i << ": " << v[i] << "\n";
        cout << "---------\n";
    }
    void Gdebug(vector<vector<int>> &g){
        cout << "GRAPH IS:\n";
        for(unsigned ll i=0; i<g.size(); i++){
            cout << i <<": ";
            for(auto c: g[i]) cout << c << " ";
            cout << "\n";
        }
        cout << "----------\n";
    }
    void WGdebug(vector<vector<pii>> &g){
        cout << "WEIGHTED GRAPH IS:\n";
        for(unsigned ll i=0; i<g.size(); i++){
            cout << i <<": ";
            for(auto c: g[i]) cout << "{x: " << c.px << ", y: " << c.py << "} ";
            cout << "\n";
        }
        cout << "----------\n";
    }
    void Vdebug(vector<int> &v ){
        cout << "VECTOR IS: " << "\n";
        for(unsigned ll i=0; i<v.size(); i++) cout << i << ": " << v[i] << "\n";
        cout << "---------\n";
    }
    void VPdebug(vector<pii> &v ){
        cout << "VECTOR IS: " << "\n";
        for(unsigned ll i=0; i<v.size(); i++) cout << i <<": " << "{x: " << v[i].px << ", y: " << v[i].py << "} \n";
        cout << "---------\n";
    }
};

_debugger deBug;
const ll linf = 4e18;   
const int inf = 1e9;
const int NN = 1e5+67;



void solve(){
  
    int n,m,k;
    cin >> n >> m >> k;

    vc<vc<ll>> dp(n+1, vc<ll> (k+1, 0));
    vc<vc<ll>> tab(n+1, vc<ll> (m+1, 0));

    for(int i=1; i<=n; i++){
        for(int j=1; j<=m; j++){
            cin >> tab[i][j];
            tab[i][j] += tab[i][j-1];
        }
    }

   // deBug.LGdebug(tab);

    for(int used = 1; used <= n; used++){
        for(int avaible = 1; avaible <= k; avaible++){
           // cout << used << " " << avaible << ": ";
            for(int eat = 0; eat <= min(m,avaible); eat++){
                dp[used][avaible] = max(dp[used][avaible], dp[used-1][avaible]);
                dp[used][avaible] = max(dp[used][avaible], tab[used][eat] + dp[used-1][avaible-eat]);
                //cout << dp[used][avaible] << " ";
            }
           // cout << endl;
        }

       
    }

   // deBug.LGdebug(dp);

    cout << dp[n][k];
}




signed main(){
    cin.tie(0) -> sync_with_stdio(0);
    //int t; cin >> t; 
    //while(t--)
        solve();
    return 0;
}