#include <bits/stdc++.h>
using namespace std;
int main(){
    int x,a,b,c,d,e;
    cin>>x;
    a=x%10;
    b=x/10%10;
    c=x/100;
    d=a*100+b*10+c;
    e=x+d;
    cout<<e;
}
/**************************************************************
	Problem: 1020
	User: chenmingyu
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2072 kb
****************************************************************/