#include <iostream>
#include <vector>
#include<cmath>
using namespace std;

int main() {
   int a;
   cin >> a;
   int sum = a,i = 0;
   vector<int> arr(10,0);
   while(a){
   arr[i] = a%10;
   a/=10;
   i++;
   }
   int k = i;
   while(i--){
    sum+=arr[i]*pow(10,k-i-1);
   }
   cout << sum;
}