#include <bits/stdc++.h>

using namespace std;

using ll =  long long;
using Pll = pair<ll, ll>;
using Pii = pair<int, int>;

constexpr ll MOD = 1000000007;
constexpr int INF = 1 << 30;
constexpr long double EPS = 1e-10;
constexpr int dyx[4][2] = {
    { 0, 1}, {-1, 0}, {0,-1}, {1, 0}
};

int main() {
    ios::sync_with_stdio(false); cin.tie(nullptr);
    int n, m, k;
    cin >> n >> m >> k;
    vector<vector<int>> a(n, vector<int>(m));
    for(int i=0;i<n;++i){
        for(int j=0;j<m;++j) cin >> a[i][j];
    }

    vector<vector<bool>> dp(n+1, vector<bool>(k+1, false));
    dp[0][k] = true;
    for(int i=0;i<n;++i) {
        for(int ai=0;ai<m;++ai) {
            for(int j=a[i][ai];j<=k;++j) {
                if(!dp[i][j]) continue;
                dp[i+1][j-a[i][ai]] = true;
            }
        }
    }

    int ans = INF;
    for(int j=k;j>=0;--j) {
        if(dp[n][j]) ans = j;
    }

    cout << ((ans==INF)?-1:ans) << endl;

}