Write a program to display the following pyramid structure using do while loop. 55555 4444 333 22 1

 Write a program to display the following pyramid structure using do while loop. 

55555 

4444 

333 

22 

1 

  # include <iostream>

using namespace std;

int main(){

       int a = 5;

       do{

              int b = 1;

              do{

                     cout << a;

                     b++;

              } while (b <= a);

              cout << endl;

              a--;

       } while (a >= 0);

       system("pause");

       return 0;

}