#include <iostream>
using namespace std;

int main(int argc, char *argv[]) {

if(argc < 2) {
	cout << "Usage: a.out <Buchstabe>" << endl;
	return -1;
}
char *fin = argv[1];
int max = (int)*fin - 65;

char alph[] = {'A','B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U','V', 'W', 'X', 'Y', 'Z'};
int k=0,i=0,j=0,p=0,q=max;

while(k <= max) {
	for(p=q; p>=0; p--) cout << ' ';
	for(i=0; i<=k; i++) cout << alph[i];
	for(j=(k-1); j>=0; j--) cout << alph[j];
	cout << endl;
	k++;
	q--;
}
return  0;
}

       A
      ABA
     ABCBA
    ABCDCBA
   ABCDEDCBA
  ABCDEFEDCBA
 ABCDEFGFEDCBA