#include <stdio.h>
#include "iostream"
#include "iomanip"
#include <iso646.h>
using namespace std;
int main()
{
    int m,n,i,j;
    cout << "Введите n и m: \n";
    cin >> n >> m;
    string a[n][m];
    for (i = 0; i< n; i++)
        for (j = 0; j < m; j++)
        {
            if (i != 0 and i != n-1)
            {
                a[i][0] = "*";
                a[i][m-1] = "*";
            }
            else
                a[i][j] = "*";

        }

    for (i=0; i<n; i++)
    {
           for (j=0; j<m; j++)
           {

                   cout<<a[i][j]<<"\t";

           }
           cout<<endl;
    }
       return 0;
}