#include<bits/stdc++.h>
#define file(x) freopen(x".in","r",stdin),freopen(x".out","w",stdout)
using namespace std;
const int N=1e5+10,Inf=1e8;
int T,n,m,a,b,c,s,t;
struct edge{
	int v,w,nxt;
}e[N];
int hd[N],tot;
void add(int u,int v,int w){e[++tot]={v,w,hd[u]},hd[u]=tot;}
void Add(int u,int v,int w){add(u,v,w),add(v,u,0);}
int id(int k,int x,int y){return k*n*m+(x-1)*m+y;}
char ch[N];
int lev[N];
bool bfs(){
	for(int i=1;i<=t;i++)lev[i]=-1;
	lev[s]=1;queue<int> q;q.push(s);
	while(!q.empty()){
		int u=q.front();q.pop();
		for(int i=hd[u];i;i=e[i].nxt){
			int v=e[i].v;
			if(e[i].w&&lev[v]==-1){
				lev[v]=lev[u]+1,q.push(v);
				if(v==t)return 1;
			}
		}
	}
	return 0;
}
int dfs(int u,int in){
	if(u==t)return in;
	int out=0;
	for(int i=hd[u];i;i=e[i].nxt){
		int v=e[i].v;
		if(e[i].w&&lev[v]==lev[u]+1){
			int use=dfs(v,min(e[i].w,in));
			e[i].w-=use,out+=use;
			e[i^1].w+=use,in-=use;
			if(!in)break;
		}
	}
	if(!out)lev[u]=-1;
	return out;
}
int dinic(){
	int ans=0;
	while(bfs())ans+=dfs(s,Inf);
	return ans;
}
signed main(){
//	file("color");
//	scanf("%d",&T);
	for(T=1;T--;){
		scanf("%d%d%d%d%d",&n,&m,&a,&b,&c);
		tot=1;
		s=n*m*4+1,t=s+1;
		for(int i=1;i<=t;i++)hd[i]=0;
		for(int i=1;i<=n;i++){
			for(int j=1;j<=m;j++){
				Add(s,id(0,i,j),a);
				if(j<m)Add(id(0,i,j+1),id(0,i,j),b);
				else Add(s,id(0,i,j),b);
				Add(s,id(1,i,j),a);
				if(i<n)Add(id(1,i+1,j),id(1,i,j),b);
				else Add(s,id(1,i,j),b);
				Add(id(2,i,j),t,a);
				if(j<m)Add(id(2,i,j),id(2,i,j+1),b);
				else Add(id(2,i,j),t,b);
				Add(id(3,i,j),t,a);
				if(i<n)Add(id(3,i,j),id(3,i+1,j),b);
				else Add(id(3,i,j),t,b);
			}
		}
		for(int i=1;i<=n;i++){
			scanf("\n%s",ch+1);
			for(int j=1;j<=m;j++){
				if(ch[j]=='#'){
					Add(id(0,i,j),id(3,i,j),c);
					Add(s,id(1,i,j),Inf);
					Add(id(2,i,j),t,Inf);
				}else{
					Add(id(1,i,j),id(0,i,j),c);
					Add(id(3,i,j),id(2,i,j),c);
					Add(id(3,i,j),id(0,i,j),Inf);
				}
			}
		}
		printf("%d\n",dinic());
//	}
}

answer.code: In function ‘int main()’:
answer.code:90:2: error: expected ‘}’ at end of input
   90 | }
      |  ^
answer.code:50:14: note: to match this ‘{’
   50 | signed main(){
      |              ^
answer.code:54:22: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   54 |                 scanf("%d%d%d%d%d",&n,&m,&a,&b,&c);
      |                 ~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
answer.code:75:30: warning: ignoring return value of ‘int scanf(const char*, ...)’ declared with attribute ‘warn_unused_result’ [-Wunused-result]
   75 |                         scanf("\n%s",ch+1);
      |                         ~~~~~^~~~~~~~~~~~~