#include <iostream>
#include<math.h>
using namespace std;
 
int main() {
	// your code goes here
	int n;
    char c;
	cin>>n>>c;
	int flo=sqrt((n+1)/2);
	for(int i=0;i<flo;i++){
		for(int j=0;j<i;j++)
			cout<<" ";
			for(int k=0;k<2*(flo-i)-1;k++)
				cout<<c;
					cout<<endl;
	}
	for(int i=2;i<flo;i++){
		for(int j=0;j<flo-i;j++)
			cout<<" ";
			for(int k=0;k<2*i-1;k++)
				cout<<c;
					cout<<endl;
	}
	cout<<n-2*flo*flo+1;
	return 0;
}

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

MTkgKg==

19 *