#include <bits/stdc++.h>
using namespace std;
int main(){
int n;
cin>>n;
if(n<3 || n%2==0){
cout<<"Invalid";
return 0;
}
int top_space = (n-3)/2;
for(int i=0; i<(n/2)+1; i++){
if(i<top_space) cout<<" ";
else cout<<"e";
for(int j=0; j<n+1; j++) cout<<" ";
for(int s=0; s<n/2-i; s++) cout<<" ";
for(int j=0; j<2*i+1; j++) cout<<"*";
cout<<endl;
}
for(int i=0; i<n; i++){
for(int j=0; j<n+3; j++){
if(j==0 || j==n+2 || i==n-1) cout<<"e";
else cout<<" ";
}
cout<<endl;
}
}
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