using namespace std;
int main(){
	int n;
	cin>>n;
	for(int i=1;i<=n;i++){
		if(i<=n/2+1){
		for(int k=1;k<=i-1;k++) cout<<" ";
		for(int j=1;j<=n;j++) cout<<"*";
		cout<<endl;
		}
		else{
		for(int k=1;k<=n-i;k++) cout<<" ";
		for(int j=1;j<=n;j++) cout<<"*";
		cout<<endl;
		}
	}
	return 0;
}