Palindrome Number

#include<iostream.h>

int main(){

    int num,r,sum=0,temp;

    cout << "Enter a number: ";

     cin >> num;

    for(temp=num;num!=0;num=num/10){

         r=num%10;

         sum=sum*10+r;

    }

    if(temp==sum)

         cout << temp << " is a palindrome";

    else

         cout << temp << " is not a palindrome";

    return 0;

}