#include<bits/stdc++.h>
using namespace std;
int main(){
    char a;
    int b;
    cin>>a>>b;
    if(a=='Z'){
        for(int i=1;i<=b;++i){
            for(int j=1;j<=b;++j){cout<<"*";}
            cout<<endl;
        }
    }
    else{
        for(int i=1;i<=b;++i){
            for(int a=1;a<=b-i;++a){cout<<" ";}
            for(int j=1;j<=2*i-1;++j){cout<<"*";}
            cout<<endl;
        }
        for(int i=b;i>=1;--i){
            for(int a=b-i+1;a>=1;--a){cout<<" ";}
            for(int j=2*i-3;j>=1;--j){cout<<"*";}
            cout<<endl;
        }
    }
    return 0;
}