The Next Palindrome in C programming

The Next Palindrome in C programming

Code:
  #include<stdio.h>
int main()
{
  long int num,pa=0,rem,temp;
  scanf("%ld",&num);
  while(num!=pa){
    num=num+1;
    temp=num;
    pa=0;
    while(temp!=0){
      rem=temp%10;
      pa=rem+pa*10;
      temp=temp/10;
    }
  }
  printf("%ld",pa);
  return 0;
}