#include <bits/stdc++.h>
#define rep(i,a,b) for(int i=a;i<b;i++)
#define rrep(i,a,b) for(int i=a;i>=b;i--)
using namespace std;
typedef long long ll;
typedef pair<int, int> P;
ll INF = 1e18;

int main(){
    int N, M, K;
    cin >> N >> M >> K;

    bool dp[N+1][K+1];
    rep(i,0,N+1) rep(j,0,K+1) dp[i][j] = false;
    dp[0][K] = true;

    int a;
    rep(i,1,N+1) rep(j,0,M){
        cin >> a;
        rep(k,1,K+1){
            if(dp[i-1][k] && k-a>=0){
                dp[i][k-a] = true;
            }  
        }
    }

    rep(i,0,K+1){
        if(dp[N][i]){
            cout << i << endl;
            return 0;
        }
    }

    cout << -1 << endl;
    return 0;
}