C++ simple program to check even or odd

#include <iostream>
using namespace std;

int main ()
{    int integer;
   

  cout << "Please enter an integer"

        << endl;
  cin >> integer;

  if ( integer % 2== 0 )

       cout << integer << " is even "
       <<endl;
  else 

       cout << integer << " is odd "
       <<endl;
system ("pause");
  return 0;
}

C++ simple program to check even or odd