#include<bits/stdc++.h>
using namespace std;
int main(){
    int n,g,s,b,h;
    cin>>n;
    g=n%10;
    s=n/10%10;
    b=n/100;
    h=n+g*100+s*10+b;
    cout<<h;
    //小号就是简单 
}
/**************************************************************
	Problem: 1020
	User: biehebangshozuodui
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2072 kb
****************************************************************/