z15

#include <iostream>

int main ()
{
    int m,n;
    std::cout<<"Unesite dva broja:";
    std::cin>>m>>n;
    for (int i=0; i<n; i++) {
        for (int j=0; j<m; j++) {
            if (i==0 || i==n-1 || j==0 || j==m-1)
                std::cout<<"*";
                else std::cout<<" ";
               } std::cout<<"\n";
    }
    return 0;
}