#include <iostream>
using namespace std;
int main(){
    int N = 10;
    for (int i = 1; i <= N; i++){
        for(int j = 1; j <= N; j++){
            if (i == 1 || i == N || j == 1 || j == N) {
                cout << "*";
            } else cout << ".";
        } cout << endl;
    }
}