#include<bits/stdc++.h>
using namespace std;
int main(){
	int n,x,b,s,g,h=0;
	scanf("%d",&n);
	g=n%10;
	s=n/10%10;
	b=n/100%10;
	x=g*100+s*10+b;
	h=n+x;
	printf("%d",h);
} 
/**************************************************************
	Problem: 1020
	User: xiaojingxuan
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2076 kb
****************************************************************/