include <iostream>

using namespace std;
int main()
{
int n;
cin>>n;
char s;
cin>>s;
int j=1;
int i=1;
while(j<=n)
{
i++;
j=j+2(2i-1);
}
j=j-2(2i-1);
int k=2*i-3;
int a=0;
int diyi=k;
for(int i=0;i<k/2+1;i++)
{
for(int j=0;j<i;j++)
cout<<" ";
for(int j=i;j<diyi-i;j++)
cout<<s;
cout<<endl;
}
for(int i=k/2-1;i>=0;i--)
{
for(int j=0;j<i;j++)
cout<<" ";
for(int j=i;j<diyi-i;j++)
cout<<s;
cout<<endl;
}
cout<<n-j;
return 0;
}