Write a program to display all the even numbers and odd numbers between 1 and 100 using do while loop.

Write a program to display all the even numbers and odd numbers between 1 and 100 using do while loop.  

 #include <iostream>

using namespace std;

int main(){

       int a = 1, b = 200;

       do{

              cout << a << endl;

              a++;                                                                                                   

       } while (a <= 100);

       do {

              cout << b << endl;

              b++;

       } while (b <= 250);

       system("pause");

       return 0;

}