#pragma GCC optimize(3)
#include<iostream>
using namespace std;
typedef unsigned long long int UL;
typedef long long int LL;
typedef unsigned short US;
typedef double DB;
LL t,n,m,price[102][102]={0},f[102]={0};
int main()
{
    ios::sync_with_stdio(false);
    cin>>t>>n>>m;
    for (LL t1=1;t1<=t;t1++)
    {
        for (LL n1=1;n1<=n;n1++)
        {
            cin>>price[t1][n1];
        }
    }
    for (LL t1=1;t1<t;t1++)
    {
        for (LL i=0;i<102;i++)
        {
            f[i]=0;
        }
        for (LL i=1;i<=n;i++)
        {
            for (LL v=price[t1][i];v<=m;v++)
            {
                f[v]=max(f[v],f[v-price[t1][i]]+price[t1+1][i]-price[t1][i]);
            }
        }
        m+=f[m];
    }
    cout<<m<<endl;
    return 0;
}