All Test-Case not passing on HackerBlocks

I’m running this code and only 2 /5 test case are passing

#include
using namespace std;
int main() {
int m,n,k,s;
cin>>m>>n>>k>>s;
char a[m][n];
for(int i=0;i<m;i++){
for(int j=0;j<n;j++){
cin>>a[i][j];
}
}
for(int i=0;i<m;i++){
for(int j=0;j<n;j++){
if(a[i][j]==’.’){
s-=2;
}
else if(a[i][j]==’*’){
s+=5;
}
else{
break;
}
if(j!=n-1){
s–;
}
}
}
if(s>=k){
cout<<“Yes”<<endl;
cout<<s;
}
else{
cout<<“No”;
}
return 0;
}