Write a program in C++ to scan a number and identify whether it is even number of odd

Write a program in C++ to scan a number and identify whether it is even number of odd

 # include <iostream>

using namespace std;

int main(){

       int a, b;

       cout << "Enter Number" << endl;

       cin >> a;

       b = a % 2;

       if(b==0){

              cout <<" Number is Even" << endl;

       }

       else

       {

              cout << "Number is odd" << endl;

       }

       system("Pause");

       return 0;

}