#include<bits/stdc++.h>
using namespace std;
int main()
{int b,m;
char a;
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 k=1;k<=b;k++)
{for(int m=1;m<=b-k;m++)
	{cout<<" ";
	}
for(int n=1;n<=2*k-1;n++)
{cout<<"*";
}cout<<endl;
}
for(int o=1;o<=b-1;o++)
{for(int p=1;p<=o;p++)
	cout<<" ";
for(int q=1;q<=2*(b-1)-1-(o-1)*2;q++)
	cout<<"*";
	cout<<endl;
}
}
return 0;
}