#include<bits/stdc++.h>
using namespace std;
int main(){
	int n=0,a,b,c;
	cin>>n;
	a=n%10;
	b=n/10%10;
	c=n/100;
	cout<<a*100000+b*10000+c*1000+n;
		   

}
/**************************************************************
	Problem: 1620
	User: lvrenxiang
	Language: C++
	Result: Accepted
	Time:7 ms
	Memory:2072 kb
****************************************************************/