ss

#include <iostream>

using namespace std;

int main()

{

 int a,b,nrpali=0,s=0,nr,aux,ca;
  float ma;
  do {
        cout<<"a=";
 cin>>a;
 cout<<"b=";
 cin>>b;
 aux=a;
// ca=a;
 do
 {
     nr=0;
     ca=aux;
     do
     {
      nr=nr*10+ca%10;
      ca/=10;
     } while (ca!=0);
     if (aux==nr)
     {
         s+=nr;
         nrpali++;
     }
     aux++;
 } while (aux<=b);

 ma=(float)s/(float)nrpali;
 cout<<"ma="<<ma;
  }while (a>b);
return 0;
}