#include<iostream>
using namespace std;
int main(){ 
	char a;
	int n;
	cin>>a>>n;
	if(a=='Z'){
		for(int i=1;i<=n;i++){
			for(int j=1;j<=n;j++){
				cout<<"*";
			}
			cout<<endl;
		}
	
	}else{
		for(int i=1;i<=n;i++){
			for(int j=1;j<=n-i;j++){
				cout<<" ";
			}
			for(int j=1;j<=i*2-1;j++){
				cout<<"*";
			}
			cout<<endl;
		}
		for(int i=n-1;i>=1;i--){
			for(int j=1;j<=n-i;j++){
				cout<<" ";
				
			}
			for(int j=1;j<=i*2-1;j++){
				cout<<"*";
			}
			cout<<endl;
		}
	}
}