#include<bits/stdc++.h>
using namespace std;
int main(){
int x,a,b,c;
cin>>x;
a=x%10;
b=x/10%10;
c=x/100;
cout<<x+a*100+b*10+c*1;
}
/**************************************************************
Problem: 1020
User: chenjiahui
Language: C++
Result: Accepted
Time:8 ms
Memory:2072 kb
****************************************************************/