#include<bits/stdc++.h>
using namespace std;
int main(){
	int a,b,c,d,f,e;
	scanf("%d",&a);
	b=a%10;
	c=a/10%10;
	d=a/100%10;
	f=b*100+c*10+d*1;
	e=a+f;
	printf("%d",e);
	return 0;
}
/**************************************************************
	Problem: 1020
	User: toughuatao1
	Language: C++
	Result: Accepted
	Time:8 ms
	Memory:2076 kb
****************************************************************/