#include <iostream> using namespace std; int main() { int n; char c; cin >> n >> c; int s = 2 * n - 1; for (int i = 1; i <= s; i++) { int a, b; if (i <= n) { a = 2 * (n - i + 1) - 1; b = i - 1; } else { a= 2 * (i - n + 1) - 1; b = s - i; } for (int s = 0;s<b;s++) { cout<<" "; } for (int t=0; t<a; t++) { cout<<c; } cout<<endl; } return 0; }