#include <bits/stdc++.h>

using namespace std;

#define rep(i, n) for(int i = 0; i < (int)n; ++i)
#define FOR(i, a, b) for(int i = a; i < (int)b; ++i)
#define rrep(i, n) for(int i = ((int)n - 1); i >= 0; --i)

typedef long long ll;
typedef long double ld;

const int Inf = 1e9;
const double EPS = 1e-9;
const int MOD = 1e9 + 7;

int main() {
    cin.tie(nullptr);
    ios::sync_with_stdio(0);
    int n, m, k;
    cin >> n >> m >> k;
    vector<vector<int> > a(n, vector<int>(m));
    vector<vector<bool> > dp(n + 1, vector<bool>(k + 1));

    rep (i, n) rep (j, m) cin >> a[i][j];
    dp[0][k] = true;
    rep (i, n) {
        rrep (j, k + 1) {
            if (!dp[i][j]) continue;
            rep (l, m) {
                if (j - a[i][l] >= 0) dp[i + 1][j - a[i][l]] = true;
            }
        }
    }
    int res = -1;
    rep (i, k + 1) {
        if (dp[n][i]) {
            res = i;
            break;
        }
    }
    cout << res << endl;
    
    return 0;
}