#include <bits/stdc++.h>

using namespace std;

#define REP(i,n) for(int i=0; i<(int)(n); i++)
#define FOR(i,b,e) for (int i=(int)(b); i<(int)(e); i++)
#define ALL(x) (x).begin(), (x).end()

const double PI = acos(-1);

int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);

  int n, m, k;
  cin >> n >> m >> k;

  vector<vector<int> > a(n, vector<int>(m));
  REP (i, n) REP (j, m) cin >> a[i][j];

  vector<vector<bool> > dp(n+1, vector<bool>(k+1));
  dp[0][k] = true;

  REP (i, n) REP (j, k+1) {
    if (dp[i][j]) {
      REP (l, m) {
        if (j - a[i][l] >= 0)
          dp[i+1][j-a[i][l]] = true;
      }
    }
  }

  int p = -1;
  REP (i, k+1) if (dp[n][i]) { p = i; break; }
  cout << p << endl;
  
  return 0;
}