#include <iostream>
using namespace std;
 
int main() {
	int n;
	cout<<"Enter any number: ";
	cin>>n;
	if(n%2==0 || n<0 || n==1){
		cout<<"Please enter a number greater than or equal to 3";
	} else {
		for(int i=0; i<=n; i++) {
			cout<<"e"<<endl;
		}
		for (int i=0; i<=0; i++) {
		    for(int j=0; j<=n+1; j++){
		        cout<<"e";
		    }
		}
		cout<<endl;
		for(int i=0; i<n; i++){
		    for(int j=0; j<=n; j++){
		        cout<<" ";
		    }
		    for(int j=0; j<=i; j++) {
		        cout<<"@";
		    }
		    cout<<endl;
		}
	}
	return 0;
}

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MTE=

11