#include <bits/stdc++.h>
using namespace std;
int main(){
	int a,b,c,d,s;
	cin>>d;
	a=d%10;
	b=d/10%10;
	c=d/100;
	s=d+a*100+b*10+c;
	cout<<s;
	return 0;
}
/**************************************************************
	Problem: 1020
	User: panyuchen
	Language: C++
	Result: Accepted
	Time:9 ms
	Memory:2072 kb
****************************************************************/