/** made by amunduzbaev **/
#include <bits/stdc++.h>
using namespace std;
#define ff first
#define ss second
#define pb push_back
#define mp make_pair
#define ub upper_bound
#define lb lower_bound
#define ll long long
#define ld long double
#define pii pair<int, int>
#define pll pair<ll, ll>
#define sz(x) (int)x.size()
#define all(x) x.begin(), x.end()
#define rall(x) x.rbegin(),x.rend()
#define fastios ios::sync_with_stdio(0);cin.tie(0);cout.tie(0);
#define vll vector<ll>
#define vii vector<int>
#define vpii vector<pii>
#define vpll vector<pll>
#define cnt(a)__builtin_popcount(a)
template<class T> bool umin(T& a, const T& b) {return a > b? a = b, true:false;}
template<class T> bool umax(T& a, const T& b) {return a < b? a = b, true:false;}
const int N = 2e5+5;
const int mod = 1e9+7;
const ll inf = 1e18;
const ld Pi = acos(-1);
int s, n, m, k, ans, sub;
vector<vii> a, pp;
void solve(){
int n, m, k, p, sub;
cin>>n>>m>>sub>>k>>p;
a.resize(n);
pp.resize(n);
for(int i=0;i<n;i++){
a[i].resize(m);
pp[i].resize(m);
for(int j=0;j<m;j++) cin>>a[i][j];
}
for(int i=0;i<k;i++){
char d;
cin>>d;
if(d == 'N'){
int col, hh, tsub = sub;
cin>>col>>hh;
--col;
for(int j=0;j<n;j++){
if(a[j][col] >= hh){
int ss = min(a[j][col] - hh+1, tsub);
a[j][col] -= ss;
tsub -= ss;
if(!tsub) break;
}
}
}else if(d == 'S'){
int col, hh, tsub = sub;
cin>>col>>hh;
--col;
for(int j=n-1;j>=0;j--){
if(a[j][col] >= hh){
int ss = min(a[j][col] - hh+1, tsub);
a[j][col] -=ss;
tsub -= ss;
if(!tsub) break;
}
}
}else if(d == 'E'){
int rr, hh, ts = sub;
cin>>rr>>hh;
--rr;
for(int j=m-1;j>=0;j--){
if(a[rr][j] >= hh){
int ss = min(a[rr][j] - hh+1, ts);
a[rr][j] -= ss;
ts -= ss;
if(!ts) break;
}
}
}else{
int rr, hh, ts = sub;
cin>>rr>>hh;
--rr;
for(int j=0;j<m;j++){
if(a[rr][j] >= hh){
int ss = min(a[rr][j] - hh+1, ts);
a[rr][j] -= ss;
ts -= ss;
if(!ts) break;
}
}
}
}
vii rr(n), cc(m);
for(int i=0;i<n;i++){
for(int j=0;j<m;j++){
if(i&&j) pp[i][j] += pp[i-1][j-1] + rr[i] + cc[j] + a[i][j];
else if(i) pp[i][j] = cc[j] + a[i][j];
else if(j) pp[i][j] = rr[i] + a[i][j];
else pp[i][j] = a[i][j];
rr[i] += a[i][j];
cc[j] += a[i][j];
}
}
for(int i=0;i<n;i++){
for(int j=0;j<m;j++){
if(i >= p && j >= p){
int tmp = pp[i][j] - pp[i-p][j] - pp[i][j-p] + pp[i-p][j-p];
umax(ans, tmp);
}else if(i == p-1 && j == p-1) umax(ans, pp[i][j]);
else if(i == p-1) umax(ans, pp[i][j] - pp[i][j-p]);
else if(j == p-1) umax(ans, pp[i][j] - pp[i-1][j]);
}
}
cout<<ans;
return;
}
int main(){
fastios
int t = 0;
if(!t) solve();
else {
cin>>t;
while (t--) solve();
}
return 0;
}
