Program to enter an integer and find out if it is even or odd.

Program to enter an integer and find out if it is even or odd.
  #include <iostream>

using namespace std;

int main(){

       int a;

       cout << "Enter Number" << endl;

       cin >> a;

       if (a % 2 == 0){

              cout << "Entered No. is even" << endl;

       }

       else

       {

              cout << "Entered No. is odd" << endl;

       }

       system("pause");

       return 0;

}