#include<bits/stdc++.h>
using namespace std;
int main(){
    int n;
	cin>>n;
	int g=n/1%10;
	int s=n/10%10;
	int b=n/100%10;
	int S=g*100+s*10+b;
	cout<<n+S; 
	return 0;
}

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