#include <iostream>
using namespace std;
int main() {
int num;
cin>>num;
if(num < 3 || num %2 == 0) {
cout<<"invalid";
return 0;
}
int maxLoop = num+4;
int eprint = ((num-1)/2)+2;
for(int i=0;i<maxLoop;i++){
for(int j=0;j<num+1;j++){
if(j==0){
if(i>1 && i<num+2){
cout<<"*";
}
else cout<<" ";
}
else if(i==eprint){
cout<<"e";
}
else cout<<" ";
}
for(int k=num+1;k<(2*num)+2;k++){
if(k==num+1){
if(i>0&&i<=num+2) cout<<"*";
else cout<<" ";
}
else if(i==eprint){
cout<<"e";
}
else cout<<" ";
}
cout<<"*"<<endl;
}
return 0;
}
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