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

int main()
{
    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.at(i).at(j);
        }
    }
    vector<vector<bool>> dp(n + 1, vector<bool>(k + 1));
    dp.at(0).at(0) = true;
    for (int i = 1; i <= n; i++) {
        for (int j = 0; j < m; j++) {
            int p = a.at(i - 1).at(j);
            for (int l = p; l <= k; l++) {
                dp.at(i).at(l) = dp.at(i).at(l) || dp.at(i - 1).at(l - p);
            }
        }
    }
    int ans = -1;
    for (int i = k; i >= 0; i--) {
        if (dp.at(n).at(i)) {
            ans = k - i;
            break;
        }
    }
    cout << ans << endl;
}