#include
#include
using namespace std;
int main() {
int n, x;
cin >> n >> x;
int line = sqrt((n + 1) / 2);
int remain = n - 2 * line * line + 1;//计算剩余个数
for (int i = line; i > 0; i--) {
for (int j = 0; j < line - i; j++) {//打印左边空格
cout << ' ';
}
for (int j = 0; j < i * 2 - 1; j++) {//打印左边*
cout << (char)x;
}
cout << endl;
}
for (int i = 2; i <= line; i++) {
for (int j = 0; j < line - i; j++) {//打印左边空格
cout << ' ';
}
for (int j = 0; j < i * 2 - 1; j++) {//打印左边*
cout << (char)x;
}
cout << endl;
}
cout << remain << endl;
return 0;
}