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

}

/**************************************************************
	Problem: 1020
	User: wangjinming
	Language: C
	Result: Compile Error
****************************************************************/