#include<bits/stdc++.h>
using namespace std;
int main() {
int n;
cin >> n;
for (int i = 0; i < n; i++) {
int spaces = i;
if (i > n / 2) spaces = n - 1 - i;
for (int j = 0; j < spaces; j++) cout << ' ';
for (int j = 0; j < n - 2 * spaces; j++) cout << 'x';
cout << '\n';
}
}
CiNpbmNsdWRlPGJpdHMvc3RkYysrLmg+CnVzaW5nIG5hbWVzcGFjZSBzdGQ7CgppbnQgbWFpbigpIHsKICAgIGludCBuOwogICAgY2luID4+IG47CiAgICBmb3IgKGludCBpID0gMDsgaSA8IG47IGkrKykgewogICAgICAgIGludCBzcGFjZXMgPSBpOwogICAgICAgIGlmIChpID4gbiAvIDIpIHNwYWNlcyA9IG4gLSAxIC0gaTsKICAgICAgICBmb3IgKGludCBqID0gMDsgaiA8IHNwYWNlczsgaisrKSBjb3V0IDw8ICcgJzsKICAgICAgICBmb3IgKGludCBqID0gMDsgaiA8IG4gLSAyICogc3BhY2VzOyBqKyspIGNvdXQgPDwgJ3gnOwogICAgICAgIGNvdXQgPDwgJ1xuJzsKICAgIH0KfQ==