Palindrome

#include <iostream>
#include <string.h>
using namespace std;
int main() {
  int d=1,j=0,i;
char a[100],b[100];
  cin>>a;
  for(i=strlen(a)-1;i>=0;i--)
  {
   b[j]=a[i];
    j++;
  }
 // cout<<a<<endl<<b;
  try
  {
  if(strcmp(a,b)==0)
    cout<<a<<" is a palindrome";
    else
      throw(d);
  }
  catch(int e)
  {
    cout<<a<<" is not a palindrome";
  }
return 0;
}