#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;
}