Untitled

#include <iostream>
#include <string>
#include <iomanip>
#include <cmath>
using namespace std;

int main()
{
	int a;
	cin >> a;
	int b;
	cin >> b;
	char gran[] = "*";
	char vn[] = ".";
	for (int i = 0; i < a; i++){
		cout << gran;
	}
	cout << endl;
	for (int j = 0; j < b-2; j++){
		for (int i = 0; i < a; i++){ 
				if (i == 0 || i == a-1) {
					cout << gran;
				}
				else {
				cout << vn;
				}
		}
		cout << endl;
	}
	for (int i = 0; i < a; i++) {
		cout << gran;
	}
}