#include<bits/stdc++.h>
using namespace std;
int main(){
    int i=0,n=0,m,b=0,v=0;
    cin>>m;
    i=m%10;
    n=m/10%10;
    b=m/100;
    v=m+i*100+n*10+b;
    cout<<v; 
     
}
/**************************************************************
	Problem: 1020
	User: lihean
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2072 kb
****************************************************************/