#include<bits/stdc++.h>
using namespace std;

int main(){
   int n,g,s,b;
   cin>>n;
   b=n/100%100;
   s=n/10%10;
   g=n%10;
   cout<<n+(g*100+s*10+b*1);
   return 0;
}

/**************************************************************
	Problem: 1020
	User: chenjingqi
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2072 kb
****************************************************************/