NUMBER PALINDROME OR NOT USING DO WHILE LOOP IN C++

#include <iostream>
using namespace std;

int main ()
{
    int num, temp1, temp2, rev = 0;

    cout<<"PLEASE ENTER A NUMBER : ";
    cin>>num;

    temp2 =  num;

    do
    {
        temp1 = num % 10;
        rev = rev * 10 + temp1;
        num = num / 10;
    } while (num != 0);

    if (temp2 == rev)
    {
        cout<<"THIS IS PALINDROME"<<endl;
    }
    else
    {
        cout<<"THIS IS NOT PALINDROME"<<endl;
    }

    return 0;
}

OUTPUT