#include<bits/stdc++.h>
using namespace std;
int main(){
  int n,a,s,b;
  cin>>n;
  a=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: wuhanyu
	Language: C
	Result: Compile Error
****************************************************************/