#include <bits/stdc++.h>
using namespace std;
int main() {
// your code goes here
int n=0;
cin>>n;
if(n%2==0|| n<=1){
cout<<"Pattern Work Only Odd Numbers"<<endl;
return 0;
}
int n2 = ceil(n/2.0);
int k=0;
for(int i=1;i<=(n+4+n2);i++){
if(i>(n+4)){
k++;
}
for(int j=1;j<=n;j++){
if(j==n&&i<=(n+4)){
cout<<"#";
}if(j>=k&&j<=n-(k-1)&&i>(n+4)){
cout<<"@";
}else{
cout<<" ";
}
}
cout<<endl;
}
return 0;
}
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