
不多说
/*
* Author : ben
*/
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cmath>
#include <ctime>
#include <iostream>
#include <algorithm>
#include <queue>
#include <set>
#include <map>
#include <stack>
#include <string>
#include <vector>
#include <deque>
#include <list>
#include <functional>
#include <numeric>
#include <cctype>
using namespace std;
const int MAXN = ;
char graph[MAXN][MAXN]; int main() {
int n;
while (scanf("%d", &n) == ) {
memset(graph, ' ', sizeof(graph));
int w = * n + ;
int in = * n - ;
for (int i = ; i < w; i++) {
graph[i][] = '*';
graph[i][w - ] = '*';
graph[i][w] = ;
}
for (int j = ; j < w; j++) {
graph[][j] = '*';
graph[w - ][j] = '*';
}
for (int j = ; j < w - ; j++) {
graph[][j] = '*';
graph[w - ][j] = '*';
}
for (int i = ; i < w - ; i++) {
graph[i][] = '*';
graph[i][w - ] = '*';
}
for (int i = ; i < w; i++) {
printf("%s\n", graph[i]);
}
}
return ;
}