#include<bits/stdc++.h>

using namespace std;
using ll = long long;

template<class T>istream&operator>>(istream&i,vector<T>&v){for(T&j:v)i>>j;return i;}template<class T>vector<T>&operator<<(vector<T>&v,const T&t){v.push_back(t);return v;}


int main()
{
	int n, m, k; cin >> n >> m >> k;
	vector<vector<bool>> dp(n + 1, vector<bool>(k + 1));
	dp[0][0] = true;
	for(int i = 0; i < n; i++) {
		vector<int> a(m); cin >> a;
		for(int j = 0; j <= k; j++) {
			for(int t = 0; t < m; t++) {
				if(!dp[i][j] || j + a[t] > k)continue;
				dp[i+1][j+a[t]] = true;
			}
		}
	}
	int ans = -1;
	for(int i = 0;  i <= k; i++) {
		if(dp[n][i])ans = k - i;
	}
	cout << ans << endl;
}