#include <bits/stdc++.h>
using i64 = long long;

int main() {
    int n, m, k;
    std::cin >> n >> m >> k;
    std::vector<std::vector<int>> a(n, std::vector<int>(m));
    for (auto &v : a) for (auto &e : v) std::cin >> e;

    std::vector<int> dp(501);
    dp[0] = 1;
    for (int i = 0; i < n; i++) {
        std::vector<int> next(501);
        for (int j = 0; j < m; j++) {
            for (int l = 0; l + a[i][j] <= 500; l++) {
                if (dp[l]) next[l + a[i][j]] = 1;
            }
        }
        std::swap(dp, next);
    }

    int max = -1;
    for (int i = 0; i <= k; i++) if (dp[i]) max = k - i;

    std::cout << max << std::endl;

    return 0;
}