#include<bits/stdc++.h>
#include<ext/pb_ds/tree_policy.hpp>
#include<ext/pb_ds/assoc_container.hpp>
#define fi first
#define se second
#define new new228
#define pb push_back
#define rank rank228
#define int long long
#define sz(c) (int)(c).size()
#define all(c) (c).begin(), (c).end()
#define rall(c) (c).rbegin(), (c).rend()
using namespace std;
using namespace __gnu_pbds;
#pragma GCC optimize("Ofast")
#pragma GCC optimize("no-stack-protector")
#pragma GCC optimize("unroll-loops")
#pragma GCC target("sse,sse2,sse3,ssse3,popcnt,abm,mmx,tune=native")
#pragma GCC optimize("fast-math")
#pragma warning(disable : 4996)
typedef tree<int, null_type, less_equal<int>, rb_tree_tag, tree_order_statistics_node_update> ordered_set; // st.oreder_of_key();
const int N = 1000100;
const int INF = 1e9 + 7;
const int MAXN = 4 * N;
const int MOD = 998244353;
int TN = 1;
int n, m, r, k, p;
vector<vector<int>> a;
set<int> column[N], row[N];
pair<char, pair<int, int>> Q[N];
void subtask1() {
for (int i = 1; i <= k; i++) {
char c; int x, h;
c = Q[i].fi, x = Q[i].se.fi, h = Q[i].se.se;
if (c == 'W' || c == 'E') {
if (c == 'W') {
int cnt = r, j = 1;
while (j <= m && cnt > 0) {
if (a[x][j] >= h) {
a[x][j]--; cnt--;
}
j++;
}
}
else {
int cnt = r, j = m;
while (j >= 1 && cnt > 0) {
if (a[x][j] >= h) {
a[x][j]--; cnt--;
}
j--;
}
}
}
else {
if (c == 'N') {
int cnt = r, j = 1;
while (j <= n && cnt > 0) {
if (a[j][x] >= h) {
a[j][x]--; cnt--;
}
j++;
}
}
else {
int cnt = r, j = n;
while (j >= 1 && cnt > 0) {
if (a[j][x] >= h) {
a[j][x]--; cnt--;
}
j--;
}
}
}
}
int ans = 0; p--;
for (int i = 1; i + p <= n; i++) {
for (int j = 1; j + p <= m; j++) {
int sum = 0;
for (int u = i; u <= i + p; u++) {
for (int v = j; v <= j + p; v++) {
sum += a[u][v];
}
}
ans = max(ans, sum);
}
}
printf("%lld\n", ans);
exit(false);
}
void subtask2() {
/*for (int i = 1; i <= n; i++) {
for (int j = 1; j <= m; j++) {
cout << a[i][j] << " ";
}
cout << endl;
}
cout << endl;*/
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= m; j++) {
if (a[i][j]) {
column[i].insert(j);
}
}
}
for (int i = 1; i <= m; i++) {
for (int j = 1; j <= n; j++) {
if (a[j][i]) {
row[i].insert(j);
}
}
}
/*for (int i = 1; i <= n; i++) {
cout << i << " ";
for (auto j: column[i]) {
cout << j << " ";
}
cout << endl;
}
cout << endl;*/
for (int qs = 1; qs <= k; qs++) {
char c; int x, h;
c = Q[qs].fi; x = Q[qs].se.fi; h = Q[qs].se.se;
// cout << c << " " << x << " " << h << "\n";
if (c == 'W') {
int cnt = 0;
vector<int> tmp;
while (cnt < r && sz(column[x]) > 0) {
int cur = *column[x].begin();
column[x].erase(column[x].begin());
if (a[x][cur] > 0) {
a[x][cur]--; cnt++;
if (a[x][cur] > 0)
tmp.pb(cur);
}
}
for (auto i: tmp) {
column[x].insert(i);
}
}
if (c == 'E') {
int cnt = 0;
vector<int> tmp;
while (cnt < r && sz(column[x]) > 0) {
int cur = *column[x].rbegin();
column[x].erase(--column[x].end());
if (a[x][cur] > 0) {
a[x][cur]--; cnt++;
if (a[x][cur] > 0)
tmp.pb(cur);
}
}
for (auto i: tmp) {
column[x].insert(i);
}
}
if (c == 'N') {
int cnt = 0;
vector<int> tmp;
while (cnt < r && sz(row[x]) > 0) {
int cur = *row[x].begin();
// cout << x << " " << cur << " " << a[x][cur] << "\n";
row[x].erase(row[x].begin());
if (a[cur][x] > 0) {
a[cur][x]--; cnt++;
if (a[cur][x] > 0)
tmp.pb(cur);
}
}
for (auto i: tmp) {
row[x].insert(i);
}
}
if (c == 'S') {
int cnt = 0;
vector<int> tmp;
while (cnt < r && sz(row[x]) > 0) {
int cur = *row[x].rbegin();
row[x].erase(--row[x].end());
if (a[cur][x] > 0) {
a[cur][x]--; cnt++;
if (a[cur][x] > 0) {
tmp.pb(cur);
}
}
}
for (auto i: tmp) {
row[x].insert(i);
}
}
/*
for (int l = 1; l <= n; l++) {
for (int j = 1; j <= m; j++) {
cout << a[l][j] << " ";
}
cout << endl;
}
cout << endl;
*/
}
/*for (int i = 1; i <= n; i++) {
for (int j = 1; j <= m; j++) {
cout << a[i][j] << " ";
}
cout << endl;
}
cout << endl;*/
int ans = 0; p--;
for (int i = 1; i + p <= n; i++) {
for (int j = 1; j + p <= m; j++) {
int sum = 0;
for (int u = i; u <= i + p; u++) {
for (int v = j; v <= j + p; v++) {
sum += a[u][v];
}
}
ans = max(ans, sum);
}
}
printf("%lld\n", ans);
exit(false);
}
signed main() {
// ios_base::sync_with_stdio(0);
// in; out; // cin >> TN;
scanf("%lld %lld %lld %lld %lld", &n, &m, &r, &k, &p);
a.resize(n + 1, vector<int>(m + 1, false));
for (int i = 1; i <= n; i++) {
for (int j = 1; j <= m; j++) {
scanf("%lld", &a[i][j]);
}
}
bool ok = true;
for (int i = 1; i <= k; i++) {
// scanf("%c %lld %lld\n", &Q[i].fi, &Q[i].se.fi, &Q[i].se.se);
cin >> Q[i].fi >> Q[i].se.fi >> Q[i].se.se;
if (Q[i].se.se > 1) {
ok = false;
}
}
if (!ok) {
subtask1();
} else {
subtask2();
}
return 0;
}
