#include <bits/stdc++.h>
using namespace std;
int main(){
    int n,g=1;
    char j;
    cin>>n>>j;
    if(j=='x'){
        for(int i=1;i<=n;i++){
            for(int m=1;m<=2;m++){
                for(int j=n;j>i;j--) cout<<" ";
                for(int j=1;j<=g;j++) cout<<"*";
                for(int j=n;j>i;j--) cout<<" ";
            }
        g+=2;
        cout<<endl;
        }   
    }else{
    	for(int i=1;i<=n;i++){
            for(int j=n;j>i;j--) cout<<" ";
            for(int j=0;j<=g-1;j++) cout<<"*";
            g+=2;
            cout<<endl;
        }
        for(int i=n;i>=1;i--){
            for(int j=1;j<=n-i;j++){
                cout<<" ";
            }for(int j=1;j<=i*2-1;j++){
            cout<<"*";
            }
            cout<<endl;
        }
    }
}
/**************************************************************
	Problem: 1353
	User: wangyiyang
	Language: C++
	Result: Wrong Answer
****************************************************************/