#include using namespace std; int main() { char n; while (cin >> n) { int k = n - 'A' + 1; n = 'A'; for (int i = 1; i <= k; i++) { int j = 0; for ( j = 0; j < k - i; j++) { cout << " "; } for (int q = 0; q < k -j; q++) { cout << n; n = n + 1; } n = n - 2; for (int q = 0; q < k - j; q++) { if (n >= 'A') { cout << n; n = n - 1; } } n = 'A'; cout << endl; }

}

}