#include<bits/stdc++.h>
using namespace std;
int main(){
  int n,g,s,b;
  cin>>n;
  g=n/1%10;
  s=n/10%10;
  b=n/100%10;
  cout<<(b*100+s*10+g)+(g*100+s*10+b);
    return 0;
}

/**************************************************************
	Problem: 1020
	User: zhangailin
	Language: C++
	Result: Accepted
	Time:10 ms
	Memory:2072 kb
****************************************************************/